The narrow space that connects the crotch and anus.
"Jonah had a hairy cranus"
by kelly debris February 6, 2008
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A well lifted piece of arse, angled for an anal interuption.
Vincent says to Danny "I have to say, I just love the way you did the cranus last nite, it got me all turned on"
by TKLEE October 1, 2006
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He only gave rim jobs to girls who have a nice cranus.
by MarioFarfan January 6, 2007
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A word that is a mix between crap and anus. It is used as a more sophisticated way of saying "aww crap" but makes it less weird to just say "anus."

Synonyms- Diss, Pobutt, and vaginiss
"Hey man what's up with you face, it looks so cranus."
"Oh shit man I stepped in dog crap, man thats so cranus"
by Hi mommy, its me! December 12, 2017
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A person whose cranium is connected directly to their anus.
That filthy fellow is a heinous cranus.
by boglord August 20, 2019
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