1) Brattish 2) Bratty tricks 3) Hardly angelic 4) Impolite 5) Impolitely unruly 6) Impudent 7) Like a punk kid 8) Like a spoiled kid 9) Like a spoiled kid, often 10) Like an ill-mannered kid 11) Like an impish kid 12) Like spoiled kids 13) Spoiled 14) Spoiled rotten Found on https://www.crosswordclues.com/clue/bratty