Rare swede

An individual who possesses many strange personality traits or looks a certain way. Primarily used as a term of endearment but can also be used as an insult. (Origin: Yorkshire)

Rare - Strange or unusual

Swede - Slang word for a person’s head

A : Why does James act like that? Does he think he’s funny?
B : Yeah, he’s a a rare swede

A : A rare swede indeed...