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2.
the equivalent of a grindline; a swagrtrain is a long line of people swagging each other. the order is usually boy/girl/boy/girl, etc.
damn there was a long swagtrain at that party last night!
by littlemonster26 February 27, 2011
 
1.
To call upon members of your crew, once called aloud the members must strike a different pose and after this go back to doing whatever they were doing before the train arrived.
Man1: SWAG TRAIN!
Man2: -_-
Man3: o_o
by KD 35 July 31, 2010