an annoying teenager usually a girl that acts higher than others and has no real priorities. She/he treats others with no repect and is very insecure.
"Hey, I just got it in with a grape nut! And I ain't calling her back!"
by francias January 26, 2011
"Christ, my grapenuts feel like they're the size of basketballs"
by Lord Iffy Boatrace February 13, 2003