Top Definition
A catchy and incredibly swaggerish to say lol it will make more sense once said aloud for yellow l looks very funny written down. However, aviod overuse for it can be easily seen as a "valley girl" thing to say
Person one: "Heyy did you see that commercial for UPSEXY??"
Person two: "Whats up sexy?
Person one: "Yellow L :D"
by yellowl November 26, 2011
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