This phrase has the same meaning as the phrase "for reals" or "true shit". The person on the receiving end of this phrase would if true respond with Legit shit. However if the answer is negative the response would most likely be Shit ain't legit.
Dude #1 : Dude I kicked Browser's ass so badly yesterday in Mario on the 64.
Dude #2 : Shit legit?
Dude #1 : Legit SHIT.
Dude #2 : Shit legit?
Dude #1 : Legit SHIT.
by Cyn123 March 9, 2014
by C.R.McK July 3, 2007
Dude 1: Did you hear Charlene made out with Josh after sucking Bryan's dick?
Dude 2: Woah. I dunno if that's shit or legit, dude.
Dude 2: Woah. I dunno if that's shit or legit, dude.
by Mister Christ December 5, 2010
by samscissorhands September 12, 2009
The real deal when it comes to taking a crap. Sometimes you feel like you have to take a crap but it's only a false alarm. This is a for real, legit, not fake shit.
Bob: Dude, I have to take a shit!
10 minutes later
Bob: Ahh I feel better
Dillan: It was a legit shit?
Bob: Yeah man, it wasn't a false alarm.
10 minutes later
Bob: Ahh I feel better
Dillan: It was a legit shit?
Bob: Yeah man, it wasn't a false alarm.
by B-Fergy May 28, 2009