language that could/would fry bacon
Extremely coarse, vulgar, offensive, or profane language. My grandmother was the sweetest lady alive, but when she got angry, she could use language that would fry bacon. I'm usually pretty even-tempered, but as soon as I get behind the wheel of a car I start spouting language that could fry bacon.
language that would fry bacon
Rur. profanity; swearing; curse words. ("Hot" language.) He carried on in language that would fry bacon. I was shocked when I heard that sweet little girl use language that would fry bacon.