Back the Fuck Up Before You Get Smacked the Fuck Up - A Term Or Sentence used when someone has donesomething wrong or has fucked up. Or when they are obnoxious.
1. When You talk to much
2.When you forget to pay a pimp
3.Fucking with people.
4.What the hell is wrong with you?
Bob: Hey yo ted wheres my money Nigga?
Steve: You Better back the Fuck up before you get smacked the fuck up bob
Threat suggesting that the enemy should leave or be quite. The enemy may take the advice (see punked) or disregard the advice (see toe to toe or fight).
"I've got a bat with your name on it. Best for you to back the fuck up."
When someone's hair is extremely slicked back to the point where no matter what their personality is, they are judged solely on appearance. People who are "slicked the fuck back" are usually very egocentric.
Abbreviated as STFB
"Man, did you see that guy? He was Slicked the Fuck Back.