2 definitions by girlidontevenknow💀

Also stands for "Such yo bitch ass up" A word used commonly in roblox arguments.
Roblox avatar 1: "And that's why your hair looks greased, did you deep fry it?"
Roblox avatar 2: "SYBAU"
by girlidontevenknow💀 November 14, 2021
Get the SYBAU mug.
Taken from the twilight movie of a character named “Renessmé” but instead it’s like you Slayed, so reneeslay.
Person 1: I cheated on my boyfriend
Person 2: That’s such a reneeslay girlie
by girlidontevenknow💀 August 12, 2022
Get the Reneeslay mug.