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noun. To form a line in which everyone humps the person in front of them. This can be done with either all guys or a female with a strap-on between each male.
Yo bitch, Our guests are hear, let's have trainal.
by yohan November 14, 2004

Words related to trainal

anal assholes lines people trains
When you have a rather long piece of toilet paper leading from your ass out to the floor or extending from skirt or pant leg. Also see trainal.
Omg did you see that trainal on that chick? She was trainaling all over the dance floor. It was trainalific.
by cheru June 08, 2014
A Long line Of People Giving anal and moving at the same time
"holy Shit Look At That Massive Trainal"
by KDCNirvana09 January 31, 2009