buster

buster
    n 1: an informal form of address for a man; "Say, fellow, what
         are you doing?"; "Hey buster, what's up?" [syn: {fellow},
         {dude}, {buster}]
    2: a robust child
    3: a person who breaks horses [syn: {buster}, {bronco buster},
       {broncobuster}]
    4: a person (or thing) that breaks up or overpowers something;
       "dam buster"; "sanction buster"; "crime buster"
    5: a person born in the generation following the baby boom when
       the birth rate fell dramatically [syn: {baby buster},
       {buster}]
    

Buster \Bus"ter\ (b[u^]s"t[~e]r), n.
   Something huge; a roistering blade; also, a spree. [Slang,
   U.S.] --Bartlett.
   [1913 Webster]