another name for heartbreaker. Unloyal, player, fucks with a lot of people. In other words, a jay is a fuckboy/girl.
person: did u hear Jaylen is cheating on Mariah with 5 other girls?!
other person: omg really?? he’s such a jay.
other person: omg really?? he’s such a jay.
by LmaoJackie December 30, 2017