Means to come out somewhere like the club,party,a fight or outside somewhere similar to "pull up" it first became popular in Brooklyn
Boy-Yo bro wyd?
Boy2-Getting ready bro bout to popout in a few.

(Updates fb status)- feeling littt looking fleeky I'm bout to pop out.

Bitches talking shit but scared to popout.

Having a party today hope all the pretty lady's popout

Popout baby
by SantanaJawn March 26, 2016
When someone who usually dresses down or even casual, suddenly decides to wear something really nice or fancy it's considered a Pop Out. A boy who would Pop Out is known to wear a fresh pair of Jordan's wit a side of ice on they wrist. A girl would be considered to wear a dress or even a cute outfit with loads of jewelry.
"Okay girl I see you with Fashion Nova dress and the heels!! Whole pop out today"
by A. Mariah July 12, 2017
To come out to the public about your relationship
Me and brayden about to pop out soon! I’m scared for what ppl think. BUT FUCK DEY OPINIONS!
by Paul is me June 16, 2020
A pop out is when a guy has an erection that sticks out farther than Pinocchio's nose.
"Whoa! look at that guy's pop out!"
"Daaang! If he has a boner that big I would so screw him"
by Chick2013 September 21, 2008
When you finally pop out means when you tell everyone your in a relationship, and with who
Ayo bro I’m about to pop out because I’m tired of people talking to me like I’m not taken.
by Ahcr July 3, 2019
To appear; show yourself
That nigga wanted to square up with me so bad, but when I came on his block, he ain't wanna pop out.
by WavyAsf_ February 24, 2016
"Man, she was in that room for hours until the baby popped out."
by qwiktyme February 7, 2008