Someone who is still a kid but acts like a grownup. They do everything like a grown up and don't take directions from other people.
by Nouranne the scammer January 21, 2017
 Get the Grown ass kidmug.
Get the Grown ass kidmug. Brendon is a grown ass man. He is committed, hard working and funny; generally, a pleasure to be around. He can take the ups and the downs, but always expects to be a winner.
by Little monkey October 17, 2013
 Get the Grown ass manmug.
Get the Grown ass manmug. Common anagram: GAW. A grown ass women demands respect from men and women. She has confidence and believes in herself. She lives intentionally, and helps her fellow GAW when they need advice or support. She feels empowered and knows that she is worth the best. Many GAW are also a part of the icky hickey society.
Beyonce is a grown ass woman. She is successful, empowers other women, and loves her body. She has pursued her passion and succeeded. Not to mention, she's married to a man who respects and adores her.
by bbgurl_bey March 20, 2010
 Get the grown ass womanmug.
Get the grown ass womanmug. A person who is legally and biologically in the adult stage of human development. Typically used as a derisive term for a person who acts way, way younger than they actually are, i.e. a manchild.
by Intelligence001 February 12, 2020
 Get the grown-ass adultmug.
Get the grown-ass adultmug. A man whose ass is fully grown.
A very popular and time tested description of a man who is fully grown physically (which usually completely ends around age 25) and who is simply an adult, but does something an adult shouldn't do, such as not paying the bills or sleeping in too late, or neglecting his child(s). After the event, it is then considered that he is a fully developed man, and as such he is then called a "Grown ass man" as a tongue-in-cheek insult. Usually has a big butt.
A very popular and time tested description of a man who is fully grown physically (which usually completely ends around age 25) and who is simply an adult, but does something an adult shouldn't do, such as not paying the bills or sleeping in too late, or neglecting his child(s). After the event, it is then considered that he is a fully developed man, and as such he is then called a "Grown ass man" as a tongue-in-cheek insult. Usually has a big butt.
Jessica: Girl, you wouldn't believe it - this GROWN ASS MAN was checking out my butt at the grocery store and then asked me out!
Sibley: But your ass isn't even fully grown! What a perv!
Sibley: But your ass isn't even fully grown! What a perv!
by golfcheater December 1, 2020
 Get the Grown Ass Manmug.
Get the Grown Ass Manmug. by bigslimedeo March 17, 2022
 Get the Grown Ass Manmug.
Get the Grown Ass Manmug. Brendon is a grown ass man. He is committed, hard working and funny; generally, a pleasure to be around. He can take the ups and the downs, but always expects to be a winner.
by Little monkey October 17, 2013
 Get the Grown ass manmug.
Get the Grown ass manmug.