referring to a man's penis in a humourous way, also can refer to a man himself
"Shut-up front tail!" or "What the hell is that front tail doing?" (said to a man when he's behaving in a way that only a man could)
by Corrina Corrina August 18, 2009
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Two men who regularly engage In sex (buddies with benefits).

Kevin and Giorgio are front tail friends. They love to blow each other like circus seals and play games like “mine and minor”, or “cock in the ass”.
by Muffdyver November 28, 2017
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