When a man hunches over a woman and eats her out, though from behind. That is, she's lying on her stomach and he's crouched over her back, pulling her legs up, naturally, to eat her out more easily. She may or may not be wearing a Mexican wrestling mask while he does this.
by Leefy Greans April 8, 2006
Get the boston crabmug. Penthouse crabs are lice. They get their name from crabs, which are mainly found in the pubic region, who migrate, or "move on up" to the head, the "penthouse" of the body.
Did you see Brittney Spears scratching her head on Dateline the other night? It looked like she definately got a case of the penthouse crabs.
by Squirrely June 19, 2006
Get the penthouse crabsmug. Maximal Crabness is a Term that is used to describe the state, when a Jungler gets the first two Crabs in the game League of Legends.
by Darkblizzard June 15, 2020
Get the Maximal Crabnessmug. Like regular crabs, (the sexually transmitted parasite that lives in public hair) except several times bigger and more uncomfortable.
1. "excuse me, do you have anything for crabs?"
2. "sure, right over here sir"
1. "Mega crabs.."
2. "dear god sir, i beleive..your fucked'.."
2. "sure, right over here sir"
1. "Mega crabs.."
2. "dear god sir, i beleive..your fucked'.."
by Jim, King of Ghana November 28, 2007
Get the mega crabsmug. When one turns their sexual partner vertical and proceeds to hammer her much like a jack hammer repeatedly until sexual Orgasm is achieved
by JHigity December 5, 2019
Get the Crab Hammermug. 
