Top Definition
The act of pissing in a sink.
Frat guy #1: "Man, I've got a take a leak so bad, but if I get up and go to the bathroom I might miss a shot of Paris Hilton's boobs or something."
Frat guy #2: "Dude, just take a sinkle in the kitchen. You can watch the tube from there. I do."
Frat guy #1: "What?"
by Joe the Hobo June 26, 2005
1 Word related to sinkle

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