Hammerhead

Term used in the cycling community for a really gung-ho athletic rider, the kind with an intense training regimen and a "need for speed." Named for their habit of dropping the hammer, or launching into unnecessary bursts of speed, particularly blowing off weaker riders in recreational group rides. In extreme cases, they've been known to blow off traffic lights and laws just to go fast. Too often matching the stock image of the athletic, lycra-clad scofflaw, they're often blamed for perpetuating a lot of ugly stereotypes about people on bikes.
"I get to the intersection on my bike, and just when I get the light, some hammerhead blows off the intersection right across my bath! He cuts me off, AND all those cars. Then they all start honking at me, even when I signal properly, because they think I'm a jerk, too. I'm just trying to get to work!"
by The Urban Husky October 30, 2011
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hammerhead

someone who copies every single fucking joke you say. Basically, a massive, unoriginal twat.
Person 1 - "lmao you have aids."
Person 2 - "yeah lmao you have aids."
Person 1 - "stfu you fucking hammerhead cunt."
by FingerCrossAndGodBless June 13, 2017
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Hammerhead

A drinking game for the boys. Involves two pong games going on simultaneously on two tables shaped like a hammerhead. One table is straight and the other table is faced sideways connected to the first table. The game that involves the long table involves cups 4-3-2-1 and is 2v2. The short table is 1v1 and has cups 3-2-1. One team from long game and short game are on same team. First team to eliminate all cups wins.
The boys played hammerhead last night. They were super ducked up.
by Rik April 23, 2017
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Hammerhead

A shit so large it feels like the head of the hammer is coming out of your ass but then tapers of nicely for sweet relief.

Practicing lamaze techniques during this process if helpful.

WARNING:
The hammerhead can cause bleeding so don't be alarmed.
Now I know what having a baby feels like, I just dropped a hammerhead in the bowl.
by SavedByZero July 20, 2009
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Hammerhead

A failed attempt at a Land Shark (See landshark definition)
"Dude me and this chick tried to landshark last night, but I missed the hole and totally ended up with a hammerhead"
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Hammerhead

A way to label someone who’s eyes are incredibly far apart. Typically as a result of a birth defect.
“Hey Chad that girl behind the bar looked cute as fuck tonight”
“Bro did you see her face??”
“No, why is she pretty bad?”
“She’s a complete hammerhead dude”
Oh fuck, gross”
by DefinitionMaster69 September 18, 2020
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Hammerhead

1.The result of generations of inbreeding. The eyes have spread apart resembling a hammerhead shark. This is to adapt to the the hostile environment of an incestuous household by allowing the hammerhead to see their father stalking his prey .

2.When a hammerhead sucks you off and begins to spas out vigorously slamming her enormous forehead onto the head of your dong.
"who invited the hammerhead to the party! She pissed herself on the bed and smeared shit all over the bathroom floor."

"that fat slut made my cock piss in two streams from her hammerhead."
by pete burns September 16, 2007
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