When a poop exits the anus and then re-enters because of a loud noise or an unexpected scare.
Last night I was pooping during the thunderstorm and lightning hit the tree outside the bathroom, needless to say I had a peak-a-poop.
by poopetrator March 1, 2012
Get the peak-a-poop mug.
adjective; After ingesting drugs(mostly uppers) the peaking (the highest level, maximum feeling,experiencing intense euphoria) point of a high when a person experiences that rampant need to fart or poop, naturally fighting the urge the person enervate's the muscle leading to an involuntary passage of stool. ...a Peak A Poop

A PEAK A POOP is more common in those who use ecstasy, other incidents are experienced when using cocaine, meth, ect

Also known as a fart ambush Peak A Sheen, Poopay Lohan epileptic ass E-butt slipperystool
"AHHH Betch oh my god Girl, do you feel it yet?"

"I think so Betch, Like this coach feels soooooooo amazing, did your Baatman kick in yet?"

"Shet betch, it just hit me, let me know if I like start to smell?"

"Shet betch did you peak a poop?"

"ahahahahahahah, I thought i like held it in betch, but im starting to smell poop."

"Oh my god betch i smell poop too, you totally peak a pooped your pants!"

"Shet betch, what-ev, i peak a pooped
by stillCANTpoop August 3, 2011
Get the peak a poop mug.