A phrase that, if used in the right way, will guarantee your victory in an argument. It can also be used to annoy anyone you use it against. Most commonly followed by "conversation terminated."
Some dude: "You're gay!!!"
You (Sly dog): "Prove it."
Some dude: "... fuck you"
You: "You can't. Conversation terminated."
You (Sly dog): "Prove it."
Some dude: "... fuck you"
You: "You can't. Conversation terminated."
by EetFuk August 04, 2009
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