A person or the act of one upping. For example " I saw a train crash the other day! " "oh yeah? I saw 2 trains crash one time! Talk about incredible!" The person claiming the 2 trains crash is a "two trainer". His act of telling the story is "two training"
Ken always two trains me. Every time I tell a story, he's done it better or seen it done more amazingly .
by Bliss savage February 22, 2014
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Two men having sex with one woman.

Originally coined by the musical group Little Feet.
There were two trains running. One of them was my friend's and the other was mine.
by vindex parsley April 9, 2011
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