Annoying people who are rude and ugly. They are manipulative, and backstabbers.
Your boss being manipulated to be bias for your flat face coworker to get you in trouble.
by Cattyfox March 1, 2022
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A slang term used by the Canadian military to describe civilians.
Hey Flat Face, how are you?

He retired, he is just a flat faced civy now.
by Leopardmech October 19, 2012
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Derogatory term regarding those suffering from mental retardation (particularly, Down Syndrome). In reference to the flatness of their faces.
Ben: Oi! Mate! Did you see that Flat Face?
Tim: Yea, he was a right mong!
by Bedun August 20, 2011
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Racial slur aimed at asians and pacific islanders. Most often used by the small minded and insecure to make them feel superior to someone. Frequently used with or in place of chinc or slant eyes as an adjective to a more universally used slur like bastard or fucker.
That flat faced bitch wrecked the curve and turned my D into an F!
by so what November 1, 2005
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Bear1: My cub was shot by a flat-face ...

Bear2: A flat-face put my cub in a zoo.

Bear3: Flat-faces bring nothing but trouble. Hmph.
by AnalPenetrationByForce October 11, 2011
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English (British) - term used to describe a pug (dog breed)
I need to go to the veterinarian so I can pick up Sophie’s flat faced wanker.
by FIREHUGE May 18, 2022
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A stupid-ass bitch (generally an asian) who has a flat face and is really smug looking.
A kid from Benedictine high school insulting his teacher:
"You a flat-faced bitch and I'm gonna stick you."
by Big Snigger August 5, 2006
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