1. To use the tongue to suck and enter the asshole of a partner before anal intercourse. The tongue is often repeatedly jabbed at the asshole to relax and open the ass ring.
2. To use the tongue to suck and enter the asshole of a partner after anal intercourse. Used as a method of extraction of semen and other fluids from the rectum. See felch.
tongue-fuck means for a guy to fuck a dude'sbutt-hole with his tongue as deeply as he can - trying to make the guy have a cumgasm - the dude may or may not be jacking off or sucking a dick.
That dude has such a cute boy-hole, why don't you have him suck your dick while I tongue-fuck his asshole until he cums!
A person who, instead of using a dick, uses their tongue. EVERYWHERE!!! Which kinda...sucks
girl 1: Whoa, my bf tongue fucked me for the entire night...
girl 2: i feel sorry 4 u
By Orel
Tongue Fuck
When your bag of coke or ket is almost completely empty so you have no other choice but to stick your tongue into that bag and wiggle it around to remove all the residue. Never waste your drugs.