A cunning or deceitful person

A playful or mischievous person

शरारती व्यक्ति

English Usage: The children were acting like slyboots, hiding behind bushes to scare the neighbors.

Hindi Usage: बच्चे शरारती व्यक्ति की तरह बंशी के पीछे छिपकर पड़ोसियों को डरा रहे थे।