(n.) The state or quality of being flippant.

absentmindedness banter booing brashness brassiness brazenfacedness brazenness carelessness catcalling chaffing cheek cheekiness cockiness contempt derision discourtesy disregard disregardfulness disrespect disrespectfulness distraction face of brass facetiousness fleering flightiness fooling freshness frivolity frivolousness giddiness grinning heedlessness hissing hooting impertinence impishness impudence inadvertence inadvertency inattention inattentiveness inconsideration incuriosity indifference inobservance insolence irreverence jeering jocularity joshing leering levity lightmindedness lip merriment mischievousness mockery mouth negligence nonobservance obliviousness offhandedness panning pertness playfulness prankishness pranksomeness ragging raillery rallying razzing regardlessness ridicule roasting roguishness rudeness sauciness scoffing shallowness side smart-aleckiness smartness smirking sneering snickering snorting sportiveness superficiality taunting thoughtlessness trickery trickiness twitting unalertness unawareness unconsciousness unheedfulness unintentiveness unmindfulness unobservance unwariness unwatchfulness volatility waggery waggishness