Definition of "unruly"

Unruly boys who will not grow up / Must be taken in hand / Unruly girls who will not settle down / They must be taken in hand

1985, Morrissey & Johnny Marr (lyrics and music), “Barbarism Begins at Home”, in Meat Is Murder, performed by The Smiths

Richard DeLongpre: Are you okay, my boy angel? / Allen Gregory DeLongpre: I have a broken heart. And undergarments filled with my own unruly waste.

2011 Allen Gregory, "Pilot" (season 1, episode 1)