Your friends, family, and co-workers may use HBTU to mean "happy birthday to you." As you might expect, you're most likely to receive this acronym on your birthday, in text or chat messages.

📱 Gen-Z / Internet Slang

Beginner

swmt

Stop Wasting My Time

📱 Gen-Z / Internet Slang

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See “iykwim ” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.

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Intermediate

Top Secret

The highest standard classification level, meaning disclosure could cause exceptionally grave damage to national securit...