L Chat
Criticism of a livestream audience for being unhelpful, annoying, incorrect, or badly behaved.
“Chat spoiled the ending again—L chat.”
The phrase judges chat collectively and may be playful or genuinely frustrated.
L meaning loss became internet shorthand for failure and was applied to livestream chat as a group.
massive L chat
Strong criticism of the audience.
chat L
A reversed variation.
common chat L
A joke implying chat often behaves badly.
Does L chat blame every viewer?
Grammatically it addresses the group, though usually only the visible behavior is being criticized.
Is it always serious?
No. Streamers commonly say it while joking with regular viewers.