Top definition
User of the phrase: is about to begin or is already in the process of joking about/ dissing the receiver of the phrase.

Synonym Phrase: I'm about to roast on you.

Somewhat of a taunt or gloat.
Example 1

Guy 1: "Hahaha! Is that fake Polo?"

Guy 2: "Oh you, tryna' roast? Bruh I'm on yo ass! Ol, high water, flipped collar, no dollar lookin' boy!"

Example 2

Guy 1: "That's what yo momma said when she left last night!"

Guy 2: "Shut up man! yeen funny!"

Guy 1: "Hahaha! Boy I'm on yo ass!"
by Zip Zack November 21, 2012
Get the mug
Get a I'm on yo ass mug for your sister Jovana.