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Another name for a ladys arse,bottom,trumper.
1, Cor blimey look at the Giant pootanks on her .

2, She looks fit ,yeh but look at her pootanks there massive.
by E stop yed May 10, 2008
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Apr 21 Word of the Day
I've been jabbed
by Francesco II March 20, 2021
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2
Poo Tank can be either a bladder or anus
"damn it my Poo Tank is full"

"be right back I just got to go empty my Poo Tank"

"whos up for a dip in my Poo Tank"
by Rhysman September 02, 2008
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