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

IYB is

  • Immature Young Boy

More Meanings For IYB:

  • Immature Young Boy
  • International Youth Brigade

IYB is also in:

Acronym Definition Searched: C-SAM TYD LEAP 20191 UTS IPA Z 06605 RATCF MISD ARIC DD SCORE G/T LM