Knowingly giving a STD to some bitch hoping that she will then pass it on to douche bag you hate.
Guy A: I'm pretty sure I gave Jenny the clap last night. Hopefully she is still sleeping with that jackass Tom.

Guy B: Wow, way to poison the waterhole. I won't be drinking from that well any time soon.
by Johnny Appleseeds January 14, 2008

10 Words Related to poison the waterhole

To ejaculate into ones own, or anothers belly button (Navel). Extra points are done if you can just get a quick squirt in without overflowing it.
Edward: fucking hell jeremy what took you so long on the shitter?

Jeremy: i had to have a few tries to poison the waterhole.
by Alex Dundizzle December 13, 2007

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