When you drop a sizable dump into the toilet creating a splash back with sufficient height to be able to reach the anus. The Poseidon’s Tongue is the one drop of splashback that licks inside the anus
Dave: wow, I dropped a hefer of a dump and ended up with a Poseidon’s Tongue
Keith: that’s horrendous, you poor bastard
The fatty tongue under your real tongue. If you have a "fatty mouth" you most likely have an Under Tongue.
Mouths with under tongue are usually better when giving oral.
My girl has an Under Tongue so you know that head is on point.
Flat tongue is used to refer to the American - USA (excluding persons with Georgia, Texas, and New York accents) accent.
Speak with an educated person from the United States, excluding persons from Texas, Georgia, and New York with accents, and you'll hear the flat tongue accent.
The act of rubbing one's tongue against a pad of cotton candy
When eating cotton candy, I prefer tongue buffing because I like the texture so much.
When libertarian bitcoin nerds get together and jabber about their utopian future nonsense.
“I was driving with Rollo, and there was this serious tongue jerky about hyperbitcoinization happening”
when you crack 90s in fortnite while your step-sis sucks your dick under the desk while her boyfriend is tied up on the bed watching.
"my step sis is such a tongue tender"