Sun glasses but it sounds cooler.

acting in a casual or disrespectful manner towards someone/dissing a friend

A light comment with slight disrespect towards an individual

trying to act in a slick, or casual manner by using something against someone, disrespecting, insulting, judging, etc.

Nature's protection against the sun. A free alternative to a umbrella.

Can be used as a noun or verb.

Noun form = illegitimate behavior

Verb form = typically accompanied with the word "throw" or "throwing," as in to "throw someone shade" meaning to act shady, fake, or funny around or towards them.

sunglasses (always used in the plural)