Findings:
- tough enough (user)
- tough cookie
- tough as old boots
- Heterosexist norms make it tough for gays to be themselves
- Carl & The Passions (So Tough)
- It's Tough to Be a Bug
- The Tough Guide to Fantasyland
- Next time one of those tough kids asks you to smoke pot, tell them "MY GRASS IS FOR MOWING"
- Tik-Tok Tackles a Tough Task
- Tough Enough
- Tough Crowd with Colin Quinn
- Boba Fett wasn't that tough
- Tough Pants (user)
- tough luck
- I'm so tough
- oh, aren't we tough in the morning
- Tough Beans they say (user)
- Scrooge's school of tough love
- tough love (user)
- love is tough
- John's Cool Story: Tough Luck, or The Vurping from Room 2306
- Next time one of those tough kids asks you to cultivate bioethanol, tell them "MY CORN IS FOR EATING"
- I keep thinking I'm so tough but I rarely care enough to prove it. So am I really tough then? Or does every dog just have its day?
- Do you hear when I ask you those tough questions?
- Duff Cooper Prize
- Duff's device
- Alan Duff
- Duffs
- Duff Gardens
- getting by with duff ears
- Duff Man
- Hilary Duff
- Duff Beer
- Duff Cooper
- Henry Duff Traill
- Duff Goldman
- Duff
- duff (user)
- Graham Duff
- Elmyra Duff
- tough guy
- Of course we had it tough
- tough
- Blood Sister: One Tough Nun
- Prison tough guy
- Tough Little Sh*t
- Taking your fiance's last name
- tough love
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