Slang term for someone who masturbates.
1) Put your cock away, you racker!
2) Stop racking one off and do some work!
3) Don't even think about having a rack!
by Mr Curt September 20, 2006
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Derived from the term describing the routine of submarine sailors where they share a bed or "rack" among three people. Each sailor sleeps in 8 hour shifts, thus the "rack" is still warm from one sailor's body heat when the next sailor enters it to sleep.

Term used to describe a male whose is evincing effeminant characteristics.
Dude, stop being such a Hot Racker and take a shot with us.
by Johnny Danger June 19, 2006
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A Bitch who racks up crabs, and leaves them at you house...
Ex...That short red headed "Crab Racker" hoe, The One that walks up and down pierce street, all day, looking for money, so she can drop off more crab racking mother fuckers just called me again for the tenth time this week.
by hooootie hooootie whooo September 3, 2012
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An employee of a company that has left his passwords viewable to anyone on a shared computer. The racker then has his password used in a mass mail with embarracing content under his own login credentials.
An Angry Racker recently sent a mass mail stating that he does the "cha-cha like a little girl, I also leave my passwords saved in random machines"
by w00t? December 5, 2007
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Someone who wears above an 8 in women's jeans at Abercrombie & Fitch, thus causing an employee to get out a step latter to reach the top rack where they are located.
"Yeah, I'm actually on my way to get a step ladder. This girl is a top racker."

"Where is the step ladder? This girl I'm helping is a top racker."
by Matt McCulley January 30, 2009
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The simple art of slamming someone’s head onto a hat rack making the holding part go through the back base of the skull.
Cunt: oie you little shit get ere and fight mi.
Jack: I’ll give you a frickin hat racker you plump weezal.
by Shlouchty cunt April 15, 2020
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An unfortunate hand dealt in cards, bad news, or any little inconvenience. Usually feels like a 100lb weight on your sack
How the hell did I hit 5 red lights in a row, that’s a damn sack racker
by Burgermeisterthevineswinger October 13, 2023
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