The matted, teased lump of hair that females get after vigarous missionary intercourse. Also, bed head
"I should have looked in the mirror before I walked outside. I was sporting a bed bump!"
by Reubin Lebezser Snausage May 19, 2006
(Verb) The act of rolling over in a bed to find an unexpected person, and then bumping into them with an extremely surprised facial expression
"I rolled over in bed this morning to find my neighbor! I bumped into him and totally shrieked! What a bedbump!
by All-Natural January 11, 2014