adj. A level up from legit
Simon: Bro, this song is so legit.
Jim: Bro, are you kidding me bro? This is the most legit-ass song I’ve ever heard.
legit-ass: define #2
a word meaning cooler then cool thus adding the ass at the end
if a movie was good then you say “That movie was legit” but if the movie was awsome you say “That movie was legitass!”