1) A sophisticated, sexy woman who knows want she wants
2) Someone you had better not propose to without knowing the answer- SON
3) Immediately ask on a date if you find yourself an annemarie, she is totally a keeper
4) A girl you meet who has mad things in common with you and you go, oh shit, am I ready for what's going down here?
5) Alternatively, can be used as slang for multiple sexual positions, as described in the Kama Sutra