look up any word, like tinder bombing:
 
1.
2 run like never before: 2 catch ghost
ay bra i hit 4 flat on them dudes bra

ay man wen i pull out that gun on him he hit 4 flat
by llqmoney78 May 23, 2010
 
2.
This means a girl is flat on both sides. No boobs or ass and, is every skinny. It's a very offencive word to say though..
Damn, that girl 4 flat!
by Mitkatten yo! March 09, 2010