L2

L2 is a term used in a phrase before any noun. It stands for "Learn To" and is deliberately improper grammar in 1337SPEAK fashion. L2 (Noun) is used as an insult, telling someone to attain a certain skill or learn to properly use a specified noun.

Gamer1: WTF?! I SHOT AT HIM 10 TIMES AND DIDN'T KILL HIM!!!

Gamer2: Lulz, nub. L2 headshot.

L2

In the world of Escorts and Spa/Studios, L2 is also known as Level 2, or a blow job. (See L1, L3)

I picked up this escort and paid $ for L2.

L2

Streamer slang for holding the trigger down on someone in a video game; usually to mock someone for being unable to play a game and can only win by spamming the trigger button

*streamer gets sprayed down*
Timthetatman - Miss a shot! Holy F! L2 L2 L2 L2

Streamer : Yea you can press L2, congratulations, try getting a shotgun and aiming next time buddy

L2

An internet slang term pioneered by the runescape clan "team elves"

L2k son

l2

A common prefix to verbs meaning "learn to.."

often followed by some form of noob.

L2play = learn to play
L2notsuck = learn to not suck

L2*

Learn To everything, where the star represents everything.

If you are familiarised with computers, you should get the star part.

As in:

-Dude, I fail at life
-L2*

-You're right

-Why does everything go to hell?
-L2*

l2s

Means "learn to speak"

Dude: aoeiwth awetr fo adfgsv!
Dude2: l2s ffs!!!!