look up any word, like fleek:
um...oh no you didnt
"i just saw jack"
"oh no you di'int"
by merja October 04, 2003
A response to a bold statement, accusation, or action; slang for "you're going to wish you hadn't said/done that," or "bitch you'll pay for that."
"Yo momma's so fat, I poked her in the belly and gravy came out."

"Oh no you DI'INT!"
by Seth Livingston June 29, 2005