A derogatory term for a bureaucrat or other order-obsessed person. This word is used almost exclusively by practitioners of the Discordian religion.
I almost made it back out but this fucking greyface had to stop me and ask what I was doing goose-stepping naked around the cafeteria at four in the morning.
by Eris June 22, 2003
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Anon asks on Tumblr, named as such due to the grey face icon that appears next to the ask message. Is generally value-neutral, but some Tumblr users use it strictly in a more pejorative term with regard to anon hate mail.
Anon: "Your blog is so stupid. Do the world a favour and kill yourself."

Tumblr User: "You're so cute, greyface - thinking that your hate mail could possibly upset me."
by Tumblrina December 30, 2014
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This is something you say and no one knows the true meaning behind it. It is something you say when the conversation goes awkward or when you’re bored. It was originated by snapchat user Lisa Nightingale.
I hate you because you keep greyfacing.
by wjohntucker December 18, 2018
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v. When a Homestuck cosplayer paints or colours themselves grey for a troll costume.

n. A troll cosplay/ makeup can be referred to as a 'greyface.'
1. "I was thinking of putting on my Karkat costume for the meetup, but it's going to take way too long to greyface. I think I'll just Dave instead."

2. "Once I put on my greyface at school and I got in so much trouble, but I wasn't even wearing a wig or anything."
by BluhBluhHugeWitch January 16, 2013
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A breed of dog that is a Austrailian Dingo and A Greyhound combined domesticated.
Run Ronnie run and go catch my Greyfaced Greyling.
by Vin Nguyen May 23, 2017
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