II.off [美 ɔf, ɑf, 英 ɒf]副off often appears as the second element of certain verb structures in English (break off, pay off, take off, etc). For translations, see the relevant verb entry (break, pay, take, etc).
I.on [美 ɑn, ɔn, 英 ɒn]介词on often appears as the second element of certain verb structures in English (count on, lay on, sign on, etc). For translations, see the relevant verb entry (count, lay, sign, etc).
He's not embarrassed to wear underwear as outerwear and toss off his overcoat to reveal a pair of boxer shorts paired with a tuxedo shirt and gartered knee socks.
This is all, of course, rudimentary, something a professional umpire will do with muscle memory and a shrug, the way a concertmaster will toss off a warm-up arpeggio.
Then actions, which would be greedy and irresponsible in a confessed kingpin, become innocent rebellion, undertaken to toss off oppression by invisible elites.