definitions and jargon for single women

found this little collection online:

Spinster – an unmarried woman who is single beyond the conventional age for marrying.
Bachelorette – an informal chiefly American term for an unmarried woman.
Old maid – same as spinster.
Cougar – an older woman who pursues men at least eight years her junior.
Boy toy or toy boy – a much younger boyfriend or husband of an older woman.
Sugar daddy/mommy – a rich, usually older person who offers money or gifts to a less rich, usually younger person in return for companionship.
Walker – stand-in for a boyfriend.