"Swack" does NOT mean, "fuck"! There may be a few idiots in San Diego who have usurped the word and changed the meaning to suit themselves, but that is not the general definition.
Example: "Half-Swacked" was a word used in the midwest often to described a person who was nearly totally DRUNK! If a person was totally drunk, he was described as "swacked".
"I saw Johnny come around the corner on one wheel, which told me instantly he was either half-swacked, or was nearly swacked."

"I don't want to go out tonight, sweetheart, just to sit around that damned bar and get half-swacked!" (The wife has spoken!)
by oldcoot1 April 29, 2016
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Women's sweatpants that look and fit EXACTLY like she had an office job in the 1990's .
Hey Kitty! Are you really going to leave the house wearing Swacks!
by flancebird June 23, 2019
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Portmanteau of “sweaty crack.” Produced when ones bodily fluids excretes from ones arse. Can be visible on chairs, usually as a line depending on the shape of ones rear end
Wtf is that?” “Is that arse sweat?”

“No my friend that is Swack, enjoy”
by Smrtds July 10, 2020
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Sweat and back, combined.

Sweaty back
I got swack from this fuckin chair, man
by RetardCanadian August 13, 2017
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Adj) to be wack but sweet at the same time to the point where it cannot be classified as one or the other
“Yo CiCi’s desert pizza is swack man”
by March 10th July 24, 2018
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To smack someone or something with your hard dick
Dominic stood on top of the tub with his hard dick and swacked me in the face over and over again I was then extremely horny
by Bend over and take it raw February 06, 2021
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