Bieb Dweeb Share definition Flag An extremely nerdy kid who would need a Justin Bieber haircut in order for a girl to even notice him. I dont think even becoming a Bieb Dweeb could save him! Bieb Dweeb by Terry Game November 7, 2010 0 0 Get merch Get the Bieb Dweeb mug. Buy Now — $32.95 See more merch