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When a shemale fucks you in the ass through a rip in your pants, resembling a walrus' teeth. This is called a Japanese Walrus Sandwich, which is recommended never to try.
OMG! I just saw this porn and the shemale gave him a Japanese Walrus Sandwich!

Sonny: Why is Brandon walking like that?
Myles: Oh, Ryan gave him a Japanese Walrus Sandwich.
by Sonny the Stuntman December 10, 2008
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