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To Weigh Anchor in Poo Bay is another term to describe the plundering of an anus (male and or female) by some one who thinks they are a modern day Black Beard.
This works best, whilst wearing a pirate hat, or for the more extreme/adventurous "Weighing Anchor in Poo Bay" whilst having a parakeet on ones shoulder, which can end up in a very sticky situation...
Mac: I totally "Weighed Anchor in Poo Bay" last night! She loved it!

Ross: Sick! Did you try it with Becky's Parrot on your shoulder!?

Mac: Hells yea! she got abit pissed about the parrot shitting on her back though...
by ZOMGBBQ November 15, 2010
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