What is the meaning of Skalle?

headbutt

roach, Rutilus rutilus

to peel

to flake

a skull, cranium

nutukas, a type of beak-nosed moccasin made from reindeer skin and worn by the Sami people.

a skull

a type of moccasin made from reindeer skin and worn by the Sami people.

skull

head (usually emphasizing the skull in some sense, or mental faculties)

a head (of a nail, screw, bolt, or similar fastener)

Source: wiktionary.org