Bullshitting, dicking around, fucking around.
Him: "Tra la la, I hope it's time to go to work!"
Her: "Come on man, quit cornflaking and let's go!"
by mellowcheddar May 10, 2007
Top Definition
When person "A" scrapes their anal crust off and spoons it into person "B"'s mouth with their penis.

In this way, the penis becomes the spoon, the anal crust becomes the cornflakes and the mouth becomes the bowl.
I'ma cornflake you! Close your eye and open your mouth.

Oh, I'm gunna give him a cornflaking tonight!
by Dangen December 30, 2008
The act of one person poking Cornflakes up the butt of another.
Guy #1- "Hey, Mark, how was your anniversary?"

Guy #2- "It was uneventful for the most part; Beth and I just spent the better part of the night Cornflaking."

Guy#1- "Dude, that's disgusting."

Guy#2- "Don't knock it 'til you've tried it, Jeremy."
by Letzd32 January 16, 2011
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