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.