Chuckling slightly, Clint just shook his head, "Please, I was thirty-two when I started learning it and the swear words were still the most important." But then there was a universal sign for 'fuck you' that everyone understood so he'd mostly been okay using that. "I'm mostly surprised they got away with teaching you that when you were twelve."
Then again, spoken swearing was picked up at a much younger age too.
"It's adorable that you still blush when you're not even saying it out loud and the only other person here is a dog." Unless she had something to put in front of that sign, then there really wasn't a need to worry about being embarrassed.