Japawack Share definition Flag a person who is 1/2 white 1/4 black and 1/4 japanese. they listen 2 rap and talk street slang. they r gamers and they r wiggers dude that muthafuckas japawack Japawack by joey March 9, 2004 0 0 Get merch Get the Japawack mug. Buy Now — $32.95 See more merch
