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1.
1. A term describing a group of girls who walk as a pack wherever they go. They usually appear at public venues and are without any male friends. If a male is with them he is most definitely gay, whipped, or the conductor.
Male 1: Dude check out those girls.
Male 2: I love the caboose on that pussy train.

Male 1: Dude be my wingman I wanna ride that pussy train.
Male 2: ALL ABOARD!
by A. Yoakum (H and E) August 25, 2010
 
2.
a male whom, whether due to fame or some other form of noteriety,is guaranteed a certain amount of "pussy" (Poon tang, kooch, trim, bush etc..)throughout their life.
although k-fed is getting annoying his pussy train isn,t derailing for along time!
by erin&andy December 11, 2007