Headsink 

Meaning from the computer dictionary describe sink as ' A device or place that accepts something' like a sink device(destination device). So Headsink will be something which accept something from your head. Its taking away from your head to some medium. Maybe it can be define as a pussy because it does sink the head. It is also a commonly misspelled heatsink.

That open social site is a headsink.
I am headsinking into oblivion.

Headsink by headsink January 19, 2008

headstink 

Slang for when people have vile, stinking ideas that are basically reprehensible.

People with a similar type of headstink tend to cluster together and thereby strengthen one another’s fear and ignorance.

headstink by Dr Bunnygirl December 15, 2019

heatsink 

A shield to protect from being hit with ammunition, usually a bulletproof vest.

He was unable to ice me with his heater, because I was wearing a heatsink.

heatsink by Bernard X. Stumpleton May 28, 2007

big ass heatsink 

One of the many tools that will make computer geeks orgasm.

computer geek: "Oh damn, that is one big ass heatsink"

big ass heatsink by just some randomass person April 11, 2014