Default term for when you need to
reference an unknown, undetermined, or wildly irregular fetish. To be used as a placeholder and/or
euphemism for said fetish.
Also known used in the long form "punching a
bag of cats"
Jane: To
have a good relationship you need to be open about
everything that you're into.
Tom: But what if you're into punching a bag of cats?
Jane: Well that's something your partner would need to consider, isn't it?