What is what's-her-tits?

The female equivalent of "what's his name?" when trying to remember someone's name.

Oh my God, like that girl we met at that party...you know?...What's her tits, there.

what's-her-tits - meme gif

A phrase to refer to a girl when you can't remember her name, similar to what's-her-name. Also the feminine version of what's-his-nuts.

What's-her-tits left her shit here again, I hate it when she does that!