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trunny is just another way to express something that is amusing.
your hat fits hella trunny on your head.
by masterofthesike May 09, 2005
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Characterised by fruitless one-upsmanship, such as that between Donald Trump and Kim Jong Un
I’m going home - don’t have time for another trunny conversation with my boss!
by Brownfunk September 25, 2017
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Trunny is a combination of true and funny and works as a replacement for "It's funny because it's true."

Trunny story!
Gosh! When I saw Victoria pass by my zipper broke! Trunny story!
by EVD May 07, 2012
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