Top definition
A noticeably out of date hairstyle, usually attributed to those in their middle age, reflecting one's heady youth.
Wow, did you see that guy with the Chachi hairdo? Nice heyday-hair dude.
by Diamond, C.S. July 10, 2008
Get the mug
Get a Heyday-hair mug for your brother-in-law Jerry.
Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
Get the merch
Get the jabbed neck gaiter and mug.