Kolla upp vilket ord som helst, t.ex. smh:
 
1.
when pronounced "know what im talking about" is what is sounds like.. NUMTUMBOUT!
Man, this urbandictionary is thowed.. numtumbout?
av bushi 9 september 2003
 
2.
"know what im talking about". "numtumbout" said outloud resembles "know what im talking about"
Man, school is gay as hell, numtumbout!
av Bushi 8 september 2003