helmettits 

Breasts that resemble helmets.

becky's got a set of helmettits.

helmettits by KTVBD October 20, 2008

helmetitis 

Someone who cant help thinking about the (bell-end) of a (penis).

Person 1 - "Omg i just cant stop thinking about touching the (tip)"

Person 2 replies- " You definately have (helmetitis)"

helmetitis by RooBoy69 November 10, 2019