The Brief: YOLO stands for "you only live once."

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DEEP DIVE

Synonyms: Carpe Diem, Seize the Day

YOLO, or #YOLO, stands for “you only live once”. Canadian rapper Drake popularized the term in his 2011 album, Take Care. YOLO has since become a slang term millennials use to convey the idea that you should take risks and live life to the fullest.

https://twitter.com/chrissyteigen/status/422587470866563072

Kendrick Lamar and The Lonely Island parody the term on Saturday Night Live (2013).