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- a girl a guy just uses for sex when he can't find any girls he's actually interested in dating.

- she usually doesn't realize she's a 'toilet girl' and often has a crush on him and truly believes he's into her when in fact he is not.

- she's a 'toilet girl' because he is just using her to ejaculate into like a toilet.
A: Wow! Is Andy finally dating someone?

B: No, that's just another one of his toilet girls. He'll move on when he finds someone he really likes.
by pseudo nom December 14, 2010
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