Russian: grandmother as spoken by children (in the same way as papa and mama for father and mother respectively). The full version is "babushka"
Russian slang referring to a woman: chick
Russian slang referring to a man: lightly offensive suggestion that the person, who this is referred to is not manly enough, whimsical.
To grandmother: Baba, read me a book
To a girl: nice baba
To a men: Don't be a baba - keep on drinking