Headgina 

the pit on the back of fat people's head.

Whoah Darren, check Florida's headgina!

Headgina by Hinson March 12, 2009

headinassitis

Unaware of how dumb one is at a particular time. Can be temporary or chronic.

Mall owner: “I can’t believe it! Those old ladies just drove into bushes then just drove off without a care!”
Police: “Must have a bad case of headinassitis.”

headinassitis by RL050 December 28, 2018

headginity

the first time you give head (blowjob)

i lost my headginity to chad last night!!

headginity by registeredflexoffender January 17, 2020