When a person is so drunk that they wet the bed at night, after having hooked up with another person, thus accidentally peeing on the other person while spooning. The spooning creates a mystery as to who actually was the person who peed, leading to equal parts shame, awkwardness, and confusion.
John: "Dude, did you hear about what happened to Patrick last night?"

Chris: "No, man. What's up?"

John: "He blacked out, took this girl home, and woke up in a total pee spoon."
by U-G January 30, 2011
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When you pee on your little brothers mixing spoon and mix it into his Gatorade.
"Hey little bro, I used a Pee Spoon to mix up your Gatorade."
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