Aye, there's a reason.
I'm a big fucker and I'm TOUGH to kill.
Game of Thrones Season 6, Episode 7
Tough old beast.
Game of Thrones Season 1, Episode 1
Oh, my, this is one TOUGH troll.
The Big Bang Theory Season 4, Episode 6
Not your usual street
TOUGH or drunken pirate.
Game of Thrones Season 5, Episode 7
What now? Not so TOUGH now, are you?
Money Heist Season 1, Episode 6