1) English boy name 2) One of the Selmon brothers 
(slang) The act of charging ahead into danger without care. A reference to Leeroy Jenkins.
Leeroy is an English name for boys. The meaning is `the king` The name Leeroy is most commonly given to French boys. (10 times more often than to American boys.) The name sounds like: Laroy, Leary, Leroi Similar names are: Leeron, Delroy, Leron