a shortened form of the word "legitimate". however, this term is nowhere near the real meaning of "legitimate", since it is commonly used to describe things as cool or extremely awesome.
guy 1: did you go to the partylast night?
guy 2: uhmm no
guy 1: oh you missed out. it was legit.
Short for "legitimate". NOT short for "legitimately" which is a totally different word. The difference is roughly the same as between "good" and "well" – in case you cared. An extremely popular yet badly understood filler word.
Melvin: "Bill Murray must be legit the most underrated comedian ever!"
Sparky: "IKR? He could've been literally one of the greatest, though."
1. (adj.) A modern synonym for words such as "cool," "ill," "tight," or "dope." Used to describe a noun that is of a particularly excellent quality. The slang use of this term is slowly but steadily increasing in popularity.
A word hipsters are trying to use to replace "cool" and "awesome." As if hipsters needed help, they sound less intelligent every time they use the word incorrectly in this way.