What does FSU mean?

Friends Stand United

FSU

Other definitions of FSU:

  • Fuck Shit Up

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How to use the term
FSU:

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References:

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More slang terms:

NOS

NOS

New Old Stock

:]

:]

Happy

MM

MM

A slang response that means "I agree" or "I see". Represents the sound you make while nodding and humming in agreement with someone. This can, however, sound negative, so use caution.