A first ass man move is one of great wisdom and self-awareness. This generally refers to moves that are unexpected, spontaneous, and perhaps even outright brilliant.

Origin: While this phrase may be of ambiguous origin, this term, for unexplained reasons, is heavily assosiated with the lord and saviour, Jesus Christ himself.
Boy 1: How did you get rid of that clingy chick that keeps stalking you on social media?
Boy 2: I blocked her.
Boy 1: Wow dude...that's a first ass man move, if you ask me.
by Jimmy's Croissants December 26, 2019
Get the A first ass man move mug.
NOUN: Complicated medical condition resulting from sitting too long on one's dead ass. Presents with the following symptoms: Easily irritable, Pot Belly, Reddening Hair, Erectile Dysfunction.
"Man, I heard he got Lead Man Ass!"
"That's terrible!"
by Thatonedudeattherailroad June 8, 2021
Get the Lead Man Ass mug.
When you mean to say “good morning” and realize the explicit auto correct and must apologize.
Good ass man Jillian we plan to execute this to tomorrow. We will cut & mix away from the grass.
by ConstructionMather September 26, 2023
Get the Good ass man mug.
A woman who has a butt that is unattractive to the male gender, because it is rigid and flat like a man's. Thus, the woman doesn't have a womanly-butt, but a "man ass."
"Check out that women at the pool. I wouldn't even want to see her naked because she has a man ass."
by Dur2099 June 4, 2018
Get the man ass mug.
Reply that guys sometimes hear when they complain about their problems
This guy at work always likes to say, ‘Hey, you’re a grown ass man’ whenever people complain. So I waited for him to complain, then I said, ‘Hey you’re a grown ass man,’ and he got this pissed off look on his face and didn’t say anything.
by SiL3Nt J September 17, 2023
Get the Grown ass man mug.