It is mostly used by the lesser l33t of the internet community to make up for the fact they are what they are. (Side note) Most counter-strike players use it.
Bill: YOU NEED TO GO KILL YOURSELF WTF!
Bill: IF YOU DIDNT USE AIMBOT, ID WTFPWN
Other names include Toronto Baby Leafs, or Leaks. Shares an identity of crap along with other major league franchises in toronto, The Toronto Blow Jays and Toronto Craptors (doesn't include newly debutted Toronto FC, Argos, and Toronto Rock).