look up any word, like oprah dollars:
 
1.
Fuckin up, acting stupid, trippin , or otherwise acting irresponiblie.
I'm on my shit , I ain't fumblin.
by lil sleazy.. April 13, 2009
 
2.
fumblin when ur fuckin up, or trippin
Damn nigga u fumblin
by sky January 10, 2004