Butt Crunker Share definition Flag Derivative of the butt head genre. It is an insult to one who acts worse than a butt head, butt nugget, or butt foot. Quit acting like a friggin Butt Crunker Butt Crunker by Fayt8 February 25, 2005 0 0 Get merch Get the Butt Crunker mug. Buy Now — $32.95 See more merch