Ryan's Haircut

Definiton: slang for when you wanna refer someone's dead trim to a coconut

Ex: You are as shit as Ryan's Haircut.

Expensive Haircut

A term used to describe chemotherapy.

Gosh, that sucks that you had to get an expensive haircut.

friar john haircut

The haircut know as a tonsure.
As seen by everyone who watched romeo and juliet in hight school (Not the leonardo one)

Hahaha, that guy's haircut looks like friar John - He's got a friar John haircut,
"Oi, Friar John, come over her and show us your awesome haircut".