#qsf

What does "qsf" mean?
QuiqueSanchezFlores, QueSeaFunk, QuieroSerFiel, QuiSenFout, QuantoSonoFortunata, QuietStormFitness, QueSeasFeliz, QuantoSeiFiga, QuantoSemoFighi, QualfonSportsFest, QualfonSportFest, QuartierSaintFargeau