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when one tucks their pecker between his legs behind him, protruding through his butt-crack will be the tip of his pecker, looking like a little goat tail sticking out
carl-"Did you bring your cup with you to soccer practice today?"
evan- "no i didnt but im just going to goat-tail it so im good to go"
by J "goat-tailer" Davis February 24, 2013
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