• Tough (someone's) badass
• Tough act to follow
• Tough as nails
• Tough bargainer
• Tough battler
• Tough brawler
• Tough bruiser
• Tough bushie
• Tough cookie
• Tough cuss
• Tough decision
• Tough gal
• Tough geezer
• Tough going
• Tough guv
• Tough guvnor
• Tough guy
• Tough leathernecks
• Tough luck
• Tough motherfucker