bikerbutt 

Bikerbutt is a medical condition in which the gluteus maximus deteriorates from many years of hard poundings and rides on the road common amongst bikers and bicyclist

If you ride your bike for too long you will be sure to get a case of bikerbutt did you see how flat her butt was she must ride a lot on her bike

bikerbutt by Jt1987dyt May 13, 2016

BUNKERBUTTER 

The lowest meeting point where two sweats of the human body mix.

Dave couldn't believe how much bunkerbutter was in his skivies after his long run.

BUNKERBUTTER by I done it dave May 29, 2008

bikerbating

Riding your bike trainer while strangling your monkey until your chain and floor are both covered in white lightning.

I used to hate riding the trainer in the winter until I put the bike in front of the tv, got some porn, and started bikerbating.

bikerbating by bikerag August 25, 2006

bonerbutt 

word meaning damnit man

Jeremy- "Bonerbutt, i gotta take a shit"
Teddy-"That sucks"

bonerbutt by pimpTholla November 18, 2005