A sexually deviant act where an Asian female squirts on a recipient, but instead of squirt, it is duck sauce. The duck sauce squirt is then collected in to a ceremonial porcelain saucer where all participants dip chicken fingers and those Chinese bread rolls (you know which ones I'm talking about) to reinvigorate them after a long coitus session.
"I hope my never finds out about the Chinatown Surprise I received at my bachelor party in Vegas."
"I give you Chinatown Surprise for twenty fie Dorrah!"
by Ray Daley January 2, 2016
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