by Sloppytoppy zongas June 9, 2020

A kid's word that means a plunger for a toilet. "Fopo" is onomatpoeic for the sounds produced by the plunger in the water of the toilet bowl: "fo" for the downstroke and "po" for the upstroke, especially when there is a popping sound if the flanges of the plunger get caught under the rim of the whirlpool.
by pentozali August 26, 2013

When take your fist and insert it in your girls anus and do a plunging motion with your fist. Then pull your fist out as fast as possible and poop comes rushing out.
by Robb danishes January 21, 2021

The name you give a guy's dick if he fucks you in the ass and then pulls out, after which you take a shit.
God, I was so constipated last night, and then John and I buttfucked, and boy, was his dick a rectal plunger! I took a huge shit right on his face!
by BooSackNoodle November 4, 2014

by Turtle Titan 4 August 19, 2016

by Primal Legacy February 23, 2021

by Irockstocks January 12, 2020
