Top definition
An insult commonly used to degrade a person’s intelligence
Wow that Jim has a lot of grey matter up there.
by Jakeman28 March 01, 2020
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Sep 12 Word of the Day
Anatidaephobia is defined as a pervasive, irrational fear that one is being watched by a duck. The anatidaephobic individual fears that no matter where they are or what they are doing, a duck watches.

Anatidaephobia is derived from the Greek word "anatidae", meaning ducks, geese or swans and "phobos" meaning fear.
A:dude, Anatidaephobia is the coolest phobia ever!
B:quack!
by blank babushka October 24, 2009
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2
A very drab person who wears long, dull, grey attire. Their personality suits the wardrobe.
Billy: Ugh... it's grey matter again.
Sally: She's so boring.
by Earl Annie Edna July 22, 2008
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