term I first herd used by Matt Hoffman a Nose Bone is a term BMS's use when banging the front wheel of their bike into whatever surface they were heading for with not so great results i.e broken/bent wheel or body parts faceing the wrong direction
Whoa!! Dude totaly took a nose bong on that one..
yeah I was on my way down when BAM nose bonged straight into the rail GODAMIT #*@"!!#@"?*#?