cleavage
1. noun.
  The gap between two soft entities on the body.  Usually the cleft between a womans breasts.  Also sometimes used to describe the anus' "Butt Cleavage", or even out of the ordinary, fat caused cleavage in other parts of the body such as the side rolls, or even "chin cleavage"... burr.

2. noun. 
  Any gap caused by an axe or wedge shaped (cleaver) object.

3. verb.
  The act of cutting or slicing your enimies.  Done with a meat cleaver or any wedge, one can deal out "unnatural" cleavage to whomever they please, male OR female.  To have cleavage in this case means to have the ability for cutting and slicing.
"Oh God I love that Cleavage!"

"As you can see, this phenominon left many cleavages in the rock formation here."

"Dude! I've got some major cleavage goin on. I'm gonna deal you some cleavage!"