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.
15π 5π
The act of sticking toy trains in one's butt-hole.
3π 1π
A Long line Of People Giving anal and moving at the same time
"holy Shit Look At That Massive Trainal"
5π 3π
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.
4π 1π
The beautiful art of shoving cardboard cutouts of Thomas the Tank Engine up your anus.
Woah dude, wanna come round mine and watch me do trainal?
3π 1π
when people line up whilst all doing anal - anal train (al)
poppy: so guys, what should we do?
ella: anal trainal!
Running a train on someone but everyone strictly does anal
Max: βHey, me and the boys were gonna run a train on this girl, want in?β
Joey: βOnly if itβs trainalβ