bonnet-hop Share definition Flag Bonnet-hop: (AUS) To hop onto the hood or 'bonnet' of anothers car and defaecate. eg. Bob "I heard you did a bonnet-hop on Mike's car"Frank" Yeah man I shat all over it" bonnet-hop by anon of anonlington December 3, 2011 0 0 Get merch Get the bonnet-hop mug. Buy Now — $32.95 See more merch