Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym TISNF is...

TISNF is

  • This Is So Not Fair

TISNF is also in:

Acronym Definition Searched: MARVEL CGRS VMR MFD XET AALDEF GEMM 48067 CQFP NOLE PICS RRB ADR XXN EU