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1.
A series of sexual encounters with your ex.
Hey bro, I’m going over to Karen’s tonight don’t wait up. I thought you two broke it off? We did but I’m going to ride the trim train for as long as I can.
by scubasteve77 July 12, 2010
 
2.
An entourage of female groupies. Used to ascertain who is the more popular rapper.
Not only do I sell more albums, my trim train is longer than yours!!
by Eli Keller May 21, 2008