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The alteration in the commonly used gaming word l33t meaning elite rank 4 so the terminology refers to being a higher then elite (1337).

This can also be a reference to Troy Polamalu as he is number 43 and is elite compared to the rest of the nfl and his skill surpasses all other defensive lineman.

prenounced late
Nerd1:(halo 3 0wned) Omg im so l33t i got a stick on 2 people with 1 gernade!

Nerd2:HA im l43t cuz i got a sniping spree off 1 bullet!
by thefatboyslim August 21, 2009

Words related to l43t

1337 elite h4x0r l33t l43t n00b noob nub supreme uber