out of carrots

If you are out of carrots you don’t care anymore.. you’re done fed up.

Sister - “Mum isn’t happy with you”

Brother - “Yeah look, I’m out of carrots on that one”

Cock out of a carrot

A phrase used to describe a someone of low intellect stating that they cannot do as simple a task as carving a phallus object into a penis.

He’s so dumb he can’t even make a cock out of a carrot.