Definitions by Sanity Deprived Lunatic

Boulder Banger 

One who seeks out extremely obese sex partners. Similar to a chubby chaser or a plumper pumper.

Holy crap! Look at the size of his girlfriend! I bet she weighs 500 lbs! He's totally a Boulder Banger.

Boulder Banger by Sanity Deprived Lunatic May 20, 2010