Another "word" for a bumper, as on a vehicle, except spelled in such a way that the moron using it obviously has no common sense to know that a bumper is named for a reason...It is what you BUMP things with if you're not careful
Skype messaging:
6:56:33 PM Person A:Its a bumber, I know
6:56:33 PM Person A: bummer*
6:56:33 PM Person A: lol
6:57:06 PM Person B: Wtf's a bumber? Lol.
6:57:56 PM Person A: a distorted bumper?
6:58:03 PM Person B: That's going on urban dictionary just for the hell of it.
6:59:24 PM Person A: YAY!