Top Definition
Swack is basically another word for fuck. This word originated in San Diego, where lots of guys use it.
GUY 1: Look at that ass over there, would you SWACK?
GUY 2: I'd mos def SWACK that.
by Matt December 28, 2004
Usually means sex. Originally made in San Diego, niggas who like to use the word towards females.
Him- Yoo when we gonna swack baby ?
by SpokenThuq May 08, 2006
the act of jacking someones swag, aka swagger jacking
stop swacking me bro
by Vinny del Negro September 28, 2011
1.) To bang the sh!t out of

2.) To copy of someone's swag
1.) Imma swack you all night, baby.

2.) Bobby likes to swack on Jay pretty much every day of his life. He even has the same shoes and repeats the same jokes to girls when he's drunk.
by $moak$takk November 11, 2011
To drain a jumpshot in basketball, especially one from behind the three-point arc.
If it wasn't for Jimmer's swackin threes all night, BYU would have been blown out in the first half.
by Da_REAL_21 April 02, 2011
1. sweaty sack

2. scrotal sweat
Billy walked into the locker room and said, "gross. It smells like swack in here."
by G. Secks May 29, 2012
A pair of pants made of sweatpant material, but are meant to resemble slacks. Usually with an elastic waste for husky people.
Dick's fat ass was promoted so he had to trade in the bib-overalls for a pair of swacks.
by The Reverend Shave MyBeever April 10, 2009

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