Adverb (fukushi), Adverb taking the 'to' particle, Suru verb
carelessly; inattentively
Onomatopoeic or mimetic word
同期の人間の売上があがってきたから、俺もウカウカしてられないな。When one of my coworkers starts racking up good sales figures I can't let down my guard.
Also written ウカウカ