Top definition
A shape first created by the YouTube Animator Jaiden Animations. It contains twenty sharp protruding spikes emerging from an ovular base shape. It is similar to the two-dimensional cutout of a sea urchin.
Hey man, what's your favourite shape?
Have you ever heard of the quintafrickinhedadehedron?
Oh hell yeah man that's the one that looks like an urchin right?
That's the one!
You've got good taste man.
by Some Nerd From Russia January 02, 2019
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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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