When you post a status on facebook and seconds later another person posts the same one - reply to his status: "FYOS bitch!"
by SlayerCy1 March 23, 2011

an acronym for "fuck your opinion" used to relay a dismissive disinterest in hearing what someone thinks no matter what the content of their opinion may have been (i.e. whether in agreement or disagreement)
an indication that an individual's opinion on a particular topic is unwarranted, irrelevant, or of no consequence
a phrase showing displeasure or disapproval of vapid pontification
an indication that an individual's opinion on a particular topic is unwarranted, irrelevant, or of no consequence
a phrase showing displeasure or disapproval of vapid pontification
by Jalopicus September 04, 2014

Abbreviation for “fuck you on?” Which is another way of asking what your problem is or what’s wrong with you.
by PlayboiCartiIsSexy December 26, 2021

Person #1 "I can't believe my boss is making me go into work while its snowing. SMH."
Person #2 "FYO. idiot"
Person #2 "FYO. idiot"
by letsthrash January 25, 2011

by RileyThomas October 18, 2012

by PierceTheLili November 26, 2016

by ryans worst enemy February 08, 2022
