MC Hammer 

Stupid one hit wonder who wears parachute pants.

When MC Hammer found out about a sale for half price off parachute pants,he screamed like a little girl.

MC Hammer by TheWiggidy April 30, 2004

HAMMER TIME

A stupid, worn-out phrase that was popular from 1990-1992 when M.C. Hammer was considered "The Genius of Hip-hop".

Hammer Time!

HAMMER TIME by Anonymous August 13, 2003

hammer time

Awesomeness. True awesomeness.

Remade in the 2000's with Peter Time

hammer time by Mister Ignorant June 24, 2004

Hammer

In which you are having sexual relations and you cum on the person

Im gonna HAMMER YOU!!!!!1

Hammer by Shakezulia March 4, 2008

Sludge Hammer

When a male smears his penis in shit and repeatedly cocksmacks his girlfriend, usually performed in a construction site porto-potty.

Yeah, we were working on the new municipal building and I gave my girlfriend the old Sludge Hammer during lunch break.

Sludge Hammer by DieMinze May 17, 2010

velvet hammer

A very soft hammer. It would not hurt if someone smacked you around with it.

smack!

velvet hammer by person yo-yo July 24, 2003

Hammerhead 

An evolution of the turtlehead. A hammerhead occurs when the turtles head is squashed between your butt cheeks into a boomerang style shape not disimilar to the head of the afformentioned hammerhead shark.

Reg was taking a dump when the fire alarm went off. He jumped to his feet, buttocks tensed and then realised he had given himself a massive hammerhead.

Hammerhead by craftyscouser April 6, 2011