When you dress your infant son in adult-like clothing such as jeans and collared shirts such that they look like a miniature grown man.
by skb1212 July 4, 2014

by uncookedgarbanzobean9 July 28, 2019

I forgot to log out of my facebook yesterday, and when i logged in this morning, my status was "I am a giant man baby gay boy."
by orofino high school January 26, 2011

It's a baby that looks like an old man. Or an adolescent male who attempts to act like he is grown but in turn appears even younger than he is.
Google Image "baby jesus baroque paintings" and you'll see
Google Image "baby jesus baroque paintings" and you'll see
(ex. 1)
Ben: Did you see that baby over there? Totally looks like an old man!
Jerry: That's a baby man child!
(ex. 2)
Amy: That freshman over there thinks he's so cool, he's bragging about how many girls he got with last night.
Caleb: It makes him seem like he's still in middle school, such a baby.
Cara: That makes him a baby man child!
Ben: Did you see that baby over there? Totally looks like an old man!
Jerry: That's a baby man child!
(ex. 2)
Amy: That freshman over there thinks he's so cool, he's bragging about how many girls he got with last night.
Caleb: It makes him seem like he's still in middle school, such a baby.
Cara: That makes him a baby man child!
by your.hugh.jass September 26, 2013

A person - typically a male individual - who is submissive in nature and usually short, can be a brat as well.
by dishwasherhehehehe September 15, 2022

by HarvNotFound February 21, 2022

When your adult dog that is cute, cuddly, spoiled, treated like a loved baby, and is constantly at your side, is suddenly in the mood to be a strong independent man dog who don't need nobody.
We were cuddling all morning, and now Pooma has disappeared off on his own somewhere in the house being an independent baby man dog.
by Junkyard Pirate July 29, 2021
