Sticking your index finger into your asshole and getting as much shit on it as possible, then going up to your friend and sticking the shit finger into their mouth.
by mrpoowilly March 4, 2011
Get the Poo Willymug. The act of picking your ass for shit or sweat and going up to a buddy and sticking your finger in their ear and yelling POO WILLY! Very similar to the wet willy except for the source of material put on finger.
by J. Carlos Perez January 11, 2009
Get the poo willymug. by tjhooker November 24, 2006
Get the poo willy bottommug. by Chunky2425 January 8, 2009
Get the poo stank wet williemug. by SillySausage42 August 30, 2022
Get the Poo Poo Bum Bum Willy Wee Wee Tits Penismug.