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If you play any video game over the Internet, a Local Area Network (LAN), or any other way involving multiplayer functionality, you should use this name... L053R. That is spelled with a capital L, a zero, a five, a three, and an R. It strikes fear in the hearts of your opponents particularly when you hump their dead corpse and your name is rising up and own over their cresty, mutilated body.

Use this title particularly if you play Halo, Halo 2, or any of the Unreal Tournament games. Now, you can use this in other video games, but it's not as good as when you use it in a futuristic first person shooter game.
L053R shot WINNER in the Family Jewels!

That's 104 kills for L053R and zip-o for WINNER!
L053R by Hunter October 1, 2004
Related Words
Someone really pathetic. They want to be l33t but even l33t losers consider them to be a loser. The most pathetic form of life.
Get out l0s3r before we h4x0r your c0mp00ter.
l0s3r by w00tw00t April 5, 2003
Another way to say loser, and also give someone a seizure

L0S3R can also be indeering, and mean a lovable precious nerd who should be protected and shielded from the cruel reality of life.
Nick such an adorable L0S3R
L0S3R by Pastiiles March 4, 2019
person 1: have you seen l0n3rss?
person 2: yes! she’s so pretty but so young..
l0n3rss by midarisunderagewife December 24, 2020