A little man who appears to look much older than he presents but is still a child. It could be used in a derogatory manner or a flirtatious manner, however you prefer to take it.
Person one “Oh, you babyman.”
Person two “you tryna hook up?”
Person one “No. I think you look like an overgrown baby.”
Today, President Baby-Man-Boy took to Twitter whilst squatting atop his 24 karat golden toilet bowl, Accusing former President B-Rock of tapping his phones. Sad!