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Best friends who share the common goal to cease every opportunity to moon the general public together. They never moon alone, they only moon as a pair. They have either develop an interest in mooning together over the course of their friendship or they bonded over the passion to moon the unsuspecting citizens.
"My moon buddy, John, and I mooned the assembly last week. It was awesome!"

Person 1: Hey I only see you two moon together, are you guys moon buddies?
Person 2: Course we are, never have we mooned without each other!
Person 3: Yeah we physically cannot moon alone!
Person 1: K, cool.
by jebthepleb March 10, 2015
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