Having a thick skin. / Not easily offended. / Insensitive to the feelings of others; callous. / (obsolete) Obtuse, thick, intellectually dull or insensitive.

(idiomatic) Overly sensitive to criticism; quick to take offence; irritable; touchy / Used other than figuratively or idiomatically: see thin, skinned.

A person or an animal that is emaciated or very thin, as from lack of nutrition.

Resilient; able to endure hardship or criticism, with no apparent adverse effects.

A method of indicating team membership, typically when played by boys or men in informal sporting contests, in which the members of one team (the "skins") remove their shirts and play shirtless, while the others (the "shirts") leave their shirts on.

(vulgar, slang) A penis.

Alternative form of deerskin

plural of deer-skin (alternative spelling of deerskins).

(physics) The tendency of alternating current to distribute itself in a conductor such that the current density is greater near the surface than near the core. The effect increases with frequency.

(figuratively) Shallow, superficial.