The last question on the test was a toughie. He thinks he's a real toughie.
Recent Examples on the WebExtra time may be spent looking for that toughie that was present just a few days ago. Taylor Piephoff, charlotteobserver, 15 Dec. 2017 The surprises come from Rachel McAdams, who holds her own as a wise-cracking toughie, and Peña, who defrosts from macho pride mode with low-key grace. Hugh Hart, WIRED, 29 Oct. 2008 Another cold-weather toughie is Alaska's red flat bark beetle, which, under lab conditions, can survive cooling down to minus 238 degrees Fahrenheit. Liz Langley, National Geographic, 10 Dec. 2016