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.
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.
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!"
Smacking someone face with your penis flaccid or erect without using your hands just your hips