pouseau Share definition Flag a pouseau is a pussy, a vagina, a female sex organ. designed by puccio and brady...also something you yell at the mall i hit your moms pouseau soo hard last night she started to cry pouseau by nigga pooch and b-rad December 11, 2004 0 0 Get merch Get the pouseau mug. Buy Now — $32.95 See more merch