One of the best parts of a woman's anatomy that seemingly everyone finds funny to mix up with it's sister definition: a cat. This has been so over-used it has become like toilet humor: nobody thinks it is funny anymore.
*Horny teanager types "Girl with nice pussy" in search field*
*Search comes back with 5.767.992 pictures of girls holding cats.*
*Teanager loses urge to masturbate and thus impregnates the hooker that lives nextdoor*