to have homosexual (male) sex
to drop anchor in poo harbour:

Alan: I'm sorry Fred, I'm not sure what you mean about Peter...

Fred: Well, let's just say he drops anchor in Poo Harbour.
by dogpish July 28, 2010
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Method of sexual enjoyment, produced by inserting testicles into the vagina. Discovered by country folk moving to the city.
"Hey bro, have you dropped anchor on her yet?"
by - Von Testiclies February 04, 2017
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"Damn! I wasn't just tappin that! I was dropping anchor!" - Charles "Levi" Levi (TKK)
by katiehh February 21, 2016
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