But, if so, it's like the reverse of Americans talking about their "fanny pack" while in England.
There was a (funny) local news story in Australia when comedian Will Ferrell accidentally made an off-color "fanny" joke not knowing what the word meant abroad. Shows how slight differences in the same language can mean worlds of difference.
Yes, as an adjective. As a noun (which is what is being discussed here) there's only one commonly known meaning, and it's that one.