When you get a hot girl and you wanna bang. So you get to know her for about 30 minutes and then you fuck, and gtfo of there.
"You wanna Smash & Dash?"
Grad Smash is a synonym for the senior trip "grad bash" its called this because students go to these trips and end up "smashing" everything they see/ having orgies.
"hell yeahh tomorrow is Grad Smash"
Sex.
Bro1: DUDE I'M GONNA BE SMASHING LEATHER TONIGHT, BRUH!
Civilized non-Bro friend: You.....you need to find a younger chick, fam
To partake in sexual activities and gain multiple orgasms/evacuations in any desired time period.
"Baby are you down for a smash session after the club tonight? "
A euphamism, mainly used in the South West of England to indicate the physical act of love making.
To make love; To smash pasty's.
"I smashed her pasty. Looked like a punched lasagne afterwards"
"I took 'im 'ome an aftur drinkin Frosty Jacks an watchin Countdewn we smashed pasty's"
To fuck a friend of the friend that ur trying to hook up with
stevie j and benzino off of love and hip hop Atlanta. Joselin smashed da homie
You have no worth or your worthless
Man dat boy ain’t worth two flys smashed
Or
Man q ain’t worth two flys smashed