Smash and Crash 

A term used to describe a situation where a person sleeps with someone just to live at their house but has no intent on being with that person.

- So is this your girlfriend?
-No, she just won't leave.
-Oh so she's a smash and crash!

Smash and Crash by 3withaC November 24, 2015

Smash and Crash 

To purposely become intoxicated and either pass out or sleep on a floor/bed/sofa/animal/member of the opposite sex at an appropriate social event.

"Mark, are you smashing and crashing at that partay tomorrow?"

"Aye, I am pulling a 'smash and crash' tomorrow Alex"

Smash and Crash by alexbericheath October 4, 2008

Smash and Crash 

Term used to define being so tired but still wanting to tear a piece off before passing out.

My girlfriend came in the room naked, but I was so tired last night after work, that it was just a smash and crash.

Smash and Crash by DrSatch May 10, 2020

Smash It And Cash It 

Basically, it's synonymous to "Hit it and Quit it". Smash it and Cash It refers to having sex, (Smash It), and then bragging to all your friends, (Cash It).

It can also be used as: You have sex with a prostitute (Smash It) and then pay her (Cash It).

Smash It And Cash it Charlie!

No way Dude, she's more to me than a cheap hoe!

Smash It And Cash It by I am God, Lawl. April 13, 2011