Pooping into a bathroom sink and shoving it down the drain, a modern twist on the traditional waffle stomp.
Hey did you use Jeff’s bathroom yet, I totally made a stinky sinky in there.
by Stinky sinky March 4, 2018
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A virus got from eating sweets and things like that. Its worse than the Ebola virus. There is no cure. Death is the only cure
"You see that boy eating the sweets, hes gonna get pepi sinki".
by huighrewuineuignrei January 28, 2009
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Urinating in the sink.

Usually used by males, it is an act that is a lot more convenient, clean, and environmentally friendly than using the toilet.

Flushing a toilet uses about 1.5 gallons or almost 7 liters of water. Doing this 4 times a day uses 6 gallons, or about 28 liters of water a day.

Also, cleaning oneself can be done much easier by hittin a sinky.
Person A: Hey man I need to piss, where's your toilet?
Person B: Bathroom is down the hall but the toilet is broken so hit a sinky.
Person A: What's hittin a sinky?
Person B: Peeing in the sink.
by bio_jam October 20, 2023
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the kid in your family which deserves "sinkies" (cinder blocks) instead of floaties at the pool. often the most annoying child in the family or a product of incest. He/She may drool and sneeze excessively, be nearly albino in complexion, bite one's own appendages, and will most likely not be able to form coherent sentences.
a sinky child is: my cousin, my brother Bilo, a whining youth in need of a good smack across the face, and the slow children at play
by GBgoer October 24, 2009
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Sinkies are an amazing fandom they are really good editors and they always spread love and positivity just like Sadie and their besties are bubbas/millieons and they protect and help each other at all costs
Some girl: omg I love Sadie sink so much

A sinkie: then you’re a sinkie/ Sadie sink fan
by Sadiescookie April 2, 2021
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its when you got ahhh sinky booty reallll baddd!
OH bubus got a sinky booty ahhh yeah.
by bubus23 February 11, 2017
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A god damn tall ass girl which is not popular unless your friends that that girl
I’m friends with that Sinki, you should really be with her!
by Turkey C.C May 18, 2021
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