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2.
A person who eats their food over the kitchen sink to save cleaning up any mess. Usually is a bachelor who lives alone in a small apartment.
A sinkie likes to eat his beans straight out the pot.
by Bill the Cat May 18, 2008
 
1.
The act of washing one's genetallia in the wash basin. usually done when there is no time to shower, pre or post coitus.
seen sometimes as an emergency wash.
The wife came home early last night. had to have a quick sinkie so she couldn't taste the babysitter.

woke up next to a total ugly random this morning. i was so disgusted that i had a quick sinkie, got dressed, made my excuses and left.
by Bannanasaurus September 07, 2009