1. To have sex with a women real good.
2. To go to the restroom and take a big shit.
3. To beat some one or something up.
4. To head to sleep.
5. To leave fast
1.You see that girl? damn i would smash!
2.Yo wheres ur bathroom man i gotta smash so bad!
3.He was running his mouth so we smashed on that dude.
4.Yo I'm tired I'm bout to smash out.
5.Yo you ready to go? Yea lets smash out.