Gamer's Headache 

A mild headache experienced from extensive periods of gaming. Sometimes associated with sore eyes.

Ethan got a gamer's headache from playing Fable II for two days straight.

Gamer's Headache by WittyFoxman June 12, 2009

headache 

something that i constantly have

HEADACHES

headache by bigbitch94 November 13, 2018

Headassery 

The act of doing stupid shit

Girl 1: my boyfriend cheated on me 2 weeks ago, but he’s changed now so we’re getting back together

Girl 2: Stop the headassery, you know damn well he hasn’t changed

Headassery by Cabbage11 April 23, 2018

Headassery 

The act of one or the action that is headass or in other words foolish or wild.

Ex: *sees something fucked up*
"What kind of headassery is going on here?!"

Headassery by Mr.Headass April 17, 2017

sperm retention headache 

Also known as male PMS. A common case of sperm retentioon headache (SRH) is attributed to an over due release of male sexual energy. This unreleased engery causes accute headaches along with moodyness and irritablity.

Dude I haven't had any action for so long .. I've got a nasty case of SRH.

sperm retention headache by collinc August 23, 2005

Footy headache

An imiginary illness one makes up to avoid socialising with his friends.

Jake - “Hey Ben.... wanna go out for a drink tonight?”

Ben - “can’t the boys. I have footy headache.... my head is throbbing from playing footy.”
Jake - “again? Is that even a thing?”
Ben - “yeh”
Jake - “no worries bro.”

Footy headache by Snakekss11 June 14, 2019

Sharpie Headache 

Headache caused by using sharpies in close proximity to your face. also known as sharpie high or contact high.
Also caused by sniffing sharpie fumes on purpose.

Person 1: Ugh, I have a sharpie headache
Person 2: how'd you manage that?
Person 1: I got too close to the page when I was drawing with the sharpie
Person 2: oh, that's smart

Sharpie Headache by jadefyre's freedom April 20, 2009