Semi-Disparaging term for any person with the name of Jay or Jason.
Jayboy is smoking.....again!!
Where is Jayboy?
Jayboy are you coming down the tiger lounge?
When a male shaves his pubic hair into a solitary vertical line, leading down to his penis.
john: Dude, how's it hangin'?
Jason: Not bad man, shaved myself a Jayboy, its kinda itchy.