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 3, 2011
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Whats up girl when you gonna let my Swack?
by Hadiyah May 4, 2008
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another pronunciation for the word "swag" originated by Lil B the #based God of The Pack
Soulja boy is garbage- not only did he steal Lil B's aura but he also has no swack.

Damn Based God's swack is reaching Goku level's.
by Y2Dre July 28, 2010
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adj. A form of masturbation only being able to be done by males, it is the act of smacking ones meat on a solid object to forcefully produce sperm. This method is primarily practiced by those who are aroused by pain.
"Are you jacking off right in front of me?"
"No! I'm swacking right in front of you!"
by Danny McFriggin Nunan February 21, 2019
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Smacking someone face with your penis flaccid or erect without using your hands just your hips
by Assume the position September 20, 2019
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