A nostril dweller which upon extraction and examination resembles a brand name and or generic corn breakfast cereal.
I lost my cornflake booger in my aunt's cereal and she ingested it with the rest of her cereal and jalapenos.
by StanOompaloompas April 29, 2009
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A person whose face has been pockmarked by acne
hey cornflakes face, do you want milk with that?
by jammy dodger February 20, 2008
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an actor/actress who can't act their way out of a corn flake box
(while watching a movie) He's a cornflake box. He cannot act.
by Jeb Doe December 30, 2016
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A big let down; disappointment; An urban version of "Rain on my parade"

A favorite saying growing up in Michigan
Damn, I was about to bang this bitch and her parents had to come home and piss in my cornflakes!
by J April 28, 2004
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useless, cant do a job properly, no good to anyone.
Gary: did you sort that problem out for me.

Phil: no i got jack to do it

Gary: JACK! why did you get him to do it. you soggy bowl of cornflakes, you cant do anything right.
by Jourdy22 January 27, 2015
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an exclamation of a terrible time, a horrible ordeal
Dave: Hey John, get out of here, me and and Alyssa are about to have some of that whammy-jammy

John: I'm not trying to shit in your cornflakes here, but i'm watching a movie
by Tee Dubbz November 30, 2008
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someone goes and says or does something that ruins your day
"sorry i can't go this this weekend."
"why don't you just pee in my cornflakes won't cha"

"who peed in your cornflakes this morning?"
my mom won't let me go to the concert!"
by brodybear April 26, 2007
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