look up any word, like thot:
 
2.
"know what im talking about". "numtumbout" said outloud resembles "know what im talking about"
Man, school is gay as hell, numtumbout!
by Bushi September 08, 2003
 
1.
when pronounced "know what im talking about" is what is sounds like.. NUMTUMBOUT!
Man, this urbandictionary is thowed.. numtumbout?
by bushi September 09, 2003