An expression following someone’s statement. Usually used as sarcasm, a reaction to something funny, in a condescending manner, or scoffing.
Jessica: “Damn, this time I’m only buying the essentials. No more fucking cigarettes.”
Lena: “I’m sure! You always get some L&Ms, don’t lie.”

Lena: *posts group photo on social media*
Jessica: *comments* “I’m sure!! I look like a fat hog!”

Jessica: “I’m sure!!!” *cackles* “Look at this dumb ass fucked up at the gas station parking lot.”
Lena: “...”
by wretchedAndmiserable November 11, 2019
Get the I’m sure mug.
A word people named Hudson use and only people named Hudson
Boy: I am so tired
People named Hudson: oh I’m sure
by Coontorf January 21, 2022
Get the oh I’m sure mug.