
I'm stopping by to see my ex-girlfriend
because she's having a TOUGH time,
The Big Bang Theory Season 9, Episode 18

Seriously,
when the going gets TOUGH,
Breaking Bad Season 2, Episode 8

Boss has to be TOUGH.
Breaking Bad Season 4, Episode 6

That's some TOUGH talk.
The Big Bang Theory Season 7, Episode 18

...or whatever the hell this is,
can be TOUGH.
The Big Bang Theory Season 4, Episode 3