poncho party Share definition Flag Girls pooping and peeing on top of guys during intercourse while extremely intoxicated. (while wearing ponchos). Yo I went to this poncho party and it smelled so bad. Poop an pee everywhere. poncho party by Poncho whore April 21, 2014 0 0 Get merch Get the poncho party mug. Buy Now — $32.95 See more merch