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A brother or sister who terrorize other siblings..

A sibling who deliberately tries to make another siblings life miserable.
My archsibling just ruined my day again... He put Jolly Ranchers in my soup!

Dude, my archsibling drew happy faces with a sharpie on my essay for tomorrow...
by Okix25 December 19, 2010
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May 11 Word of the Day
A euphemism for β€œkill me” now that composting oneself after one’s death has become popular.
All right, why don’t you just compost me?
by Dr Bunnygirl March 22, 2020
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