Very often they are instead of rude things, by their very nature. I've picked the ones that aren't so much, so no-one needs to worry about the children.
Additional suggestions and improvements from MayaB.
I like the quiz. I didn't know the euphemism for pregnant and got it when I was trying for another clue. A couple of suggestions: Profanity as an alternative for swearing? Also, Fred was given not only the sack, but also the boot: https://en.wiktionary.org/wiki/give_someone_the_boot
Thankyou. And those are excellent suggestions. I was trying to think of a better way of putting 'sack'! I'm British so maybe the pregnancy one is more a UK one (or maybe it's just old fashioned). And likewise, profanity sounds more like a US English thing? Anyway - all good, thank you.