To give oral sex to a woman, obviously sticking your tongue in and out of her vagina.
Delta wanted a tongue fuck so bad last night.
by Jilina September 27, 2005
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When your having such a good kiss it feels like your tongue Fucking.
I love when he kisses me it's like he's tongue Fucking me.
by to January 22, 2015
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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.
Tom tongue fucked his buddy's tangy asshole and reclaimed his load of cum.
by B-MOT April 11, 2006
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When a male, (or female) stick their tongue inside the female partner's vagina and licks it clean or until she reaches orgasm.
"I got to tongue-fuck my girl"

I had so much fun tongue-fucking my girlfriend last night. she came while my tongue was inside her pussy.
by Morningstar September 25, 2007
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when you and your partner put each others tongues so far down each others throats that you choke and possibly die of affixation...
bro I almost died the other day when me and my girl were tongue fucking
by Dirtyrastaaa October 3, 2018
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To tongue-fuck a guy, you fuck his asshole with your tongue.
Matt likes me to tongue-fuck his asshole before I suck his cock and make him cum!
by eda-skip February 7, 2022
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tongue-fuck means for a guy to fuck a dude's butt-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!
by USAF Cadet March 17, 2021
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