hammerhead shark 

The most bad-ass animal ever created

God: We need to make something great.
Angel: How about a shark that can beat the shit out of people without biting them, it’s called a hammerhead shark
God: That defeats the purpose of a shark but ok.

hammerhead shark by SpeedySmith July 26, 2018

hammerhead sharking 

When a male closes his eyes while undressed and waves their member back and forth, like a hammerhead shark, in an attempt to locate their mate.

Freddy undressed, closed his eyes, and began hammerhead sharking to find Judy through electroreception.

hammerhead sharking by GZX959 December 29, 2015

The Hammerhead Maneuver

The act of splitting the head of the penis in half and then proceeding to just ram it in there

She loved when he used The Hammerhead Maneuver

The Hammerhead Maneuver by COClover69 May 25, 2014

hammerhead 

a stupid or incompetent person.

john is such a hammerhead

hammerhead by killajem6000 July 16, 2017

Hammerhead Syndrome 

A man or woman who has atypically wide spread eyes. Noteable examples include Uma Thurman and Bandersnatch Cucumberbunch.

That girl over there is super fine but has a serious case of hammerhead syndrome. No thanks.

Hammerhead Syndrome by TheDrunkenMoo July 20, 2016

hammerhead cock 

when a male has a dick the shape and size of a hammerhead shark

yea i got a hammerhead cock

hammerhead cock by slobonmynoblikecornonacob November 3, 2017

Hammerhead 

A person who is heavily intoxicated to the point that his/her eyes deviate away from their head (much like how a hammerhead shark is)

Dude, you were so hammerhead last night!

Hammerhead by HurricaneGordon November 19, 2009