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What does FSO stand for?

FSO stands for Former Significant Other

This definition appears very rarely and is found in the following Acronym Finder categories:

  • Slang/chat, popular culture

See other meanings of FSO

Other Resources:
We have 141 other definitions for FSO in our Acronym Attic

Samples in periodicals archive:

VH1) The lives of former significant others of A-list men are traced in this Atlanta-based reality spin-off of "Hollywood Exes.