buster

noun

1. 1

   a person born in the generation following the baby boom when the birth rate fell dramatically

2. 2

   a person (or thing) that breaks up or overpowers something

   dam buster

   sanction buster

3. 3

   a person who breaks horses

4. 4

   a robust child

5. 5

   an informal form of address for a man

   Say, fellow, what are you doing?

   Hey buster, what's up?