1.  toughie(n = noun.person) goon, hood, hoodlum, punk, strong-armer, thug, tough - an aggressive and violent young criminal;
is a kind of criminal, crook, felon, malefactor, outlaw
has particulars: bully

2.  toughie(n = noun.communication) poser, sticker, stumper - a particularly difficult or baffling question or problem;
is a kind of problem

toughie, n. colloq. a tough person or problem.