buster

nouns

an informal form of address for a man
"Say, fellow, what are you doing?"; "Hey buster, what's up?"
a robust child
is a type of (narrower)
a young person of either sex
"she writes books for children"; "they're just kids"; "`tiddler' is a British term for youngster"
a person who breaks horses
a person (or thing) that breaks up or overpowers something
"dam buster"; "sanction buster"; "crime buster"
is derived from
is a type of (narrower)
a human being
"there was too much for one person to do"
a person born in the generation following the baby boom when the birth rate fell dramatically