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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
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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
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3
People who originate from Singapore.

This is a term used mainly by Singaporeans on Singaporeans in Singapore and Malaysia.

This term is particularly used a lot in local forums like hardware zone and sammyboy.
Sinkies must pawn sinkies to sleep well at night.

Another crime has been committed by a sinkie again.

Why are sinkies so lazy?
by Leonardkam August 31, 2018
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