L

Meaning

1. A loss, defeat, or embarrassing moment.
2. Used as a taunt: “take the L” means accept the loss.

“Forgot my umbrella on the one day it rained. Big L.”

Where it came from

L as shorthand for “loss” grew out of gaming culture, where match results were logged as W or L. It expanded into general slang through Twitter and meme culture in the 2010s as a one-letter way to mock any setback.