An affective way to address your partner in an endearing situation. It denotes affection and fondness with a sexual meaning involved in the target of the term.
An insulting slang term used to patronize and demean an arrogant, proud (usually) young man; who thinks he's got it all figured out (in life) but is only out to make himself look good and stroke his ego.
The Polish guy Pawel is such a little boy. He sets up situations and does things that try to make himself look like a hero to win over girls. But he's just a twerp and a cuck and a bully trying to boost his ego to naive females. get over yourself, little boy.
No wonder he can never get laid and almost ends up in jail.