What does "adc lvl 6" mean in League of Legends chat?

Q: What does "adc lvl 6" mean in League of Legends chat?

It means "Their ADC just hit level six.". Level six is a threshold: the champion unlocks their ultimate. The verb is "hit", not "reach", in game language.

team chat

what you want to say

Their ADC just hit level six.

what you type

adc lvl 6

the context

Warning that an enemy now has their ultimate available.

What it actually means

Level six is a threshold: the champion unlocks their ultimate. The verb is "hit", not "reach", in game language.

Related lines

sup no flashTheir support has no flash.
no flash we goThey have no flash, we can go.