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1.
A Term Used When undertaking in a extremely extensive but very rewarding AssassinPT Workout!
Girl: I just Smashed a workout with those Assassin girls!
Guy: Oh sorry, what? i was too busy looking at myself lifting this dumbbell in the mirror.
Girl: -_-
Guy: Somebody should call the police, cause i just murdered that last set
Girl: Well, enjoy.. i will be Smashing It again tomorrow.
by GunsMcGee May 11, 2011
 
2.
Have sex is the raunchiest non-loving way possible.
"You know, you might not have prostate cancer if you were smashing it more."
by Igniknokt February 07, 2009