Toughy (noun)
alternative form of toughie
Toughie (noun)
Something that is tough, or difficult.
“His question is a toughie. I might have to do some more research.”
Wiktionary
Toughie (noun)
a person who is tough and determined
“she was a toughie on the phone”
Toughie (noun)
a difficult problem or question
“Who do you admire most? That’s a toughie”
Oxford Dictionary