If my dad was driving and it was getting ready to be a close call he would say, 'Uh oh, pucker up!' Or he would say, 'Sheesh, it was such a close call I am going to need a crowbar to unpucker my butt hole!'.

*twitch*

usually when i come to a place with a sheer drop, i like to pull my pants down and shit.

I remember a college psychology course mentioning the "fight or flight" defense mechanism. It is based on how we react to adversity by confrontation or avoidance. Perhaps the sphincter is similarly wired.

Yes! This happens to me all the time. I notice that in thse situations, all my muscles clench as if to protect myself. (See the "fight or flight" reaction already mentioned.) So I suppose my sphincter just clenches because all the other muscles do.

It usually clenches all by itself, though, when I hear someone talking about a painful ass experience, or something large being shoved up an ass. No one's gettin' in my ass!

I have never had this happen. However, I have gotten a tingly feeling in my bowels when I am really excited about something.

i can't say i've ever noticed my butt hole puckering up, but next time i'm in a situation like that, i'll try to pay attention and see if my anus has a reaction. usually, though, i just feel some discomfort in the area being described when someone's talking about something painful. like, if i hear about or see someone get their finger cut (for example), i get a tingle in my finger. or if i hear about a girl having her fun zone pierced, my legs cross as though to protect my own fun zone. that sort of thing.

In the action trades this is known as "pucker factor". When an entire briefing room is presented with "an opportunity to excel", you can actually hear the faint crackling sound of bungholes locking up.

Yes, I have felt that, but only after a huge ass dump

Yes, this happens to me too, what i feel is just a shriveling of the insides... could be described as cringing, or shuddering or etc.

"Fight or flight instinct?" Nonsense, when I have been scared shitless, I wasn't shitless, at all, my first urge was to unload--and quickly. Hence, the term, "MAN! I was so scared I shit (pissed) my pants!" And, "That was a close one, someone please pass the toilet paper..."

Extreme fear or anxiety RELEASES the butthole, not closes it down.

This only happens to me when I need to dump or some material is making its way south.
Interesting read.

This happens to me. The feeling of cringing is somewhere between my ass and my stomach. Dave J talks about it here:
http://www.poopreport.com/Intellectual/Content/
Shameful/shameful.html

What I get from that is your body gets the "flight" feeling when you're scared. Since the last thing you want when you're running is for shit to be blowing from your ass, your butt clenches in case you gotta hightail it.

But that doesn't explain being scared shitless, which, as Dave J tells us, happens as well. In that case your bowels blow all over you -- maybe because that makes you taste bad to a dinasaur about to eat you or something way back on the evolutionary ladder.

It hadn’t occurred to me that the feeling I’ve tried to describe is related to the “flight” response. That is, I think in these situations that my body knows it’s not in real danger. But I suppose I could be experiencing a very mild form of flight, and this may be why the asshole feels more “creepy-crawly” than “puckered tight,” as others have described. It’s also curious to me that if I cut my own finger, and it looks nasty as hell, I don’t get this feeling in my ass. Wouldn’t the flight theory predict I should?

I’m also intrigued by the number of Poopreporters who don’t think they’ve experienced this. I can’t imagine what it would feel like to experience a pain in my finger on seeing an injured finger, as Wonderpance reports.

Thanks Dave for the pointer to Dave J’s treatise, which I need to study more carefully. Should have known that PoopReport had already delved into this.

To some animals, shit may taste good. Human animals anyway. So some of us shitting ourselves may be subconciously trying to attract poop lickers to flock with our own kind. Poop smell good.

I just had a thought about this topic. If threatened, an elephant will fart at intruders. Just ask Jeff Corwin. Perhaps some people's ass twitching is a similar response. Maybe we are trying to fart at our enemies to send them away.

If I "twinge" my own bum, it is nothing like the bottom of the stomache feeling I experience when confronted with danger.
I feel that they are different for me.

I believe that it has to do with the "fight or flight" theory.
I think your body prepares to evacuate anything in the body that will impede it's efficiency. You ass hole jitters because its about to open the gates.

*twitches

Well, this has not happened if i can remember correctly. I have heard u shit yo pants when u die though...

Yeah, my cellmate's puckered asshole gets tighter when there is impending danger of penetration.

I think Poopoopeedoo already said something like this, but when I was learning to drive, and even to this day when I'm driving with my dad in the car, he always says something to the effect of "Don't pucker our butts, son!", mostly when I show no sign of slowing for a red light.

Every time I hear wy X wifes name my ass hole puckers....

Wow I am such the poop..cool site heres my story, I know yall give birth sometimes through your a holeright? I mean full on labor dilating the whole works but the worst is the breech poopers eh?

I do this if I'm around very high places and look over. I feel like my asshole is trying to jump ship and take off without me!Maybe it's saying "Hey you dumbass back up!"Something else I do that I think is weird, is if I'm drinking alcohol I always know when I've had enough cause my asshole gets all tingley!HaHa! Anyone else do this?

I can't say that this happens to me.

I would contribute it to either primal instincts, or the muscles in the rectum tensing up (along with the rest of the muscles).
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A man who farts in church, sits in his own pew.

My butt hole tingles within five minutes of drinking alcohol! It always happens. It's never a sign that Iv had enough though. That sign comes in the form of tummy tingles :s

If I experience a high episode of anxiety all of a sudden I do get a tingling and some gas as well. Sometimes just eating in the employee cafeteria can do that to me too. You think I would have learned by now that my bowels dont handle Borgata grease that well.
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The Thunderous Crapper 63 Enjoying home toilet advantage since 2004!