UUT, sounded out as U - U - T, stands for Useless Urination Tournament. It is a more polite term for a Pissing Contest, any argument that just goes back and forth between two individuals but never gets resolved.
Joe: "My treatise on the Cosmological Constant related to Interplanetary Measurements is better than yours."

Bob: "No it isn't!"

Joe: "Yes it is!"

Bob: "No it isn't!"

Joe: "Yes it is!"

Bob: "No it isn't!"

Joe: "Yes it is!"

Bob: "Prove it!"

Joe: "OK, you go first!"

Bob: "No, you go first!"

Joe: "No, you go first!"

Bob: "No, you go first!"

Joe: "No, you go first!"

Bob: "Well, that was a real UUT."
by Bidnow73 May 8, 2013
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