Back the Fuck Up Before You Get Smacked the Fuck Up - A Term Or Sentence used when someone has done something 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?
Threat suggestingthat 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).
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.