Hammer arm

When a male masturbates with one arm more than the other causing it to be muscularly bigger than the other one.

Guy 1: "Yo whys your one arm so big son?"
Guy 2: "Ahh i got Hammer arm, i jackoff with my dominate arm more then the other one so it's just uneven."

Guy 2: "Sounds like you needa switch it up a bit man."

michigan hammer-arm

During the act of fellatio, right before climax, the man slams his fist into the top of his partner's head.

Son, take the wheel while I give your mother a Michigan Hammer-arm in the back seat.

arm & hammer

Cocaine, coke, blow, crack, white powda, rocks, magic rocks etc.

Oh look what came in the mail, a scale and some arm & hammer - Outkast

I got to make a million ... using no flows, just arm & hammer and four o's - Nelly

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Arm & Hammer

When you put your penis in a girl's (preferably shaved) armpit and proceed to fuck it.

Miles: Would you have sex with an HIV infected girl or would you have a guy fuck your ass?

Me: Any kind of sex? Cause I'd Arm & Hammer the shit outta her.

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