Definitions by Penis in butt

landen and brenden having 3 sum

When you find a girl and start having a 3 sum with her then you randomly stop nad start sucking each others dick

Dude last night I had the best landen and brenden having 3 sum. It was so much fun

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Putting Penis up ur friends butt and creaming and then covering it in shit then sticking it it there mouth

I cant wait to go give Trevor the penis in butt.

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