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22.
When a rectangular object is placed sideways under the foreskin, making the penis resemble a hammerhead shark.
A kinky girl i am seeing put a domino in my foreskin last night, it made my cock look like a hammerhead shark.
by bosteonerbeka March 22, 2010
 
23.
one that hammers quite often. Someone prone to hammering without trying.Can also use the phrase 'hammer head shark' to denote a master of hammering.
Ex 1 "Joe is a hammer head "
Ex 2 "What a hammer head!"
"No, he's a hammer head shark!!"
by stasis___ January 23, 2007
 
24.
In the process of getting road head on the highway, you drift your car over to the side and begin hitting every bit of rumble strip that you can find. Thus creating a vibrating sensation know as hammerhead.
When the road head just wasn't enough to get off, Johnny used the rumble strips of the highway to get hammerhead.
by bkrazy November 17, 2006
 
25.
a derogatory term for a person of african decent and used in reference to their big, wide lips and the similarity thereto to the wide mouth base of the "Hammer Head Shark". Used by cops in ny/nj.
Yo, chase that hammer head.
by HowUDoin336 May 11, 2006
 
26.
Derek Williams: the man; the myth, the legend.
Hammerhead dances to techno.
by Andy Vo September 17, 2003
 
27.
A Mormon girl from central Utah whose eyes have spread out, over many years of incest,a perfect example EVOLUTION.
As a young boy, I recall the trips to Salt Lake City and trolling for hammerheads on State Street.
by craig john November 10, 2006
 
28.
Australian slang for a circumcised penis
When he flashed her she saw he was a hammerhead.
by Crazy Bald Man July 29, 2006