Sink a Knuckle

To finger a girl, especially in a public setting like a movie.

The male equivalent of giving a handjob.

I've only been out with this chick twice, and she already let me sink a knuckle!

Sink Monster

Slang for a sink garburator/garbage disposal/food disposer.

Feed your orange peel to the sink monster.

There's Urine in the Sink

A phoney bologna fake, made-up song sung to the tune of, "The Farmer in the Dell".
Usually sung when it is necessary to pass micturition (piss) into a plastic bottle and then discreetly pour it into the sink.

♫ There's urine in the sink, ♫

♫ There's urine in the sink, ♫

♫ Don't piss on the stereo ♫

♫ There's urine in the sink, ♫

Hate Sink

A person you hate intensely not because they deserve such hatred but because they serve as a focus for your general hatred. A healthy way to dispense with excess animosity.

Jake's not really that big an asshole. He just serves as my hate sink.

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Sink or Float

A question asked to men asking whether or not their dick sinks or floats in a bathtub. Women have still not received the same answer... some men say float, others say sink.

Girl: Does it sink or float?
Guy: it sinks

Girl: Does it sink or float?

Guy: oh it definitely floats

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slop-sink

Verb/Noun
A female, or lover, who instead of snow-balling or swallowing (see appropriate definitions) prefers "gurgling", swishing, and throughly enjoying whatever cum load they receive or request, produce or provoke.

"That girl is such a slop-sink, she gurgles cum like its listerine."

The Sinking Sailor

A creamy mix of captain and a rootbeer float.
1. 2 shots Captain Morgan spiced rum
2. 1 can of rootbeer
3. 2 scoops vanilla ice cream

Stewart made The Sinking Sailors for the boys on Saturday night.