11

The most efficient use of expressing laughter in chat messages. Originally used only by Age of Empires II players, but it is now widely accepted (in their minds).

Sources:

"11 Equals 'lol'
111 Equals 'lmao'

1111 Equals 'LMAO'
11111 Equals 'OMG lol lol'
111111 Equals.. whatever you want it to be, for intstance: 'LOL ROFL LMAO WTF 11' "
- T90Official, Age of Empires II YouTuber

"11, Synonymous in use to terms such as "lol" or "kek", a reference to an audio taunt in the 1999 video game Age of Empires II with the purpose of expressing laughter or amusement."
Source: AoE2 Reddit user Hjoerleif

"11 Is a taunt from Age of Empires 2 that, when used in chat, plays an audio clip of someone laughing. It's basically lol before lol or the lol of Age of Empires 2 and all of it's players. 11"
Source: AoE2 Reddit user dimanor3

"Use 11 in ... professional conversation

Employer: before we begin this job interview, (tells joke).

Applicant: eleven.

Employer: eleven."

"Did you know that in the first Alpha Build (00.0503.0706) of Age of Empires 2, fishes icon were represented by a photo of Ian Fischer Lead Designer of the game. 11 11 11 😂😂"

by Photosynthesis_aoe March 10, 2021