Sometimes these can cause considerable embarrassment, most famously with the British expression “I’ll knock you up in the morning,” which means “I’ll knock on your door in the morning.” To keep your pecker up is an innocuous expression in Britain (even though, curiously, pecker has the same slang meaning there), but to be stuffed is distinctly rude, so that if you say at a dinner party, “I couldn’t eat another thing; I’m stuffed,” an embarrassing silence will fall over the table. (You may recognize the voice of experience in this.) Such too will be your fate if you innocently refer to
...more
