A vagina; usually derogatory, usually wet, though not always, referring to
a slut's vagina, showing signs of recent/repeated use; or a woman who is an owner of such a cooze, being herself called a cooze; a
conniving, sexually
lascivious woman; or discharged liquid from such a cooze; a pussy, or more closely linked, a cunt. Cunt is a synonym for cooze, both for it's anotomical definition, and it's connotating a woman of such quality.