You di-int! 

Show's disbelief, generally playfully negative.

"I just kissed Justin upon whom we both have a crush!" "You di-int!"
but not:
"I just had sex with your husband!" "You di-int!"

You di-int! by Space chicken June 23, 2004

oh no you di'int 

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!"

oh no you di'int by Seth Livingston July 10, 2005

no you di'int 

no you did not

"No you di'int just go there."

no you di'int by tdogg May 19, 2003

oh no you di'int 

um...oh no you didnt

"i just saw jack"
"oh no you di'int"

oh no you di'int by merja October 4, 2003