grind train
when three or more people dance ass to crotch, hands on the hips of the person in front of them, and sway their pelvis, or grind. a bit like a really horny conga line.
did you see our grind train at the dance last night? it was awesome- we had 20 people in it.
Bro Grind Train
The phenomenon where a grind train consists of all bros and one or no females. Resulting in straight guys grinding on each other in a train. Usually in a party with too many bros and not enough girls.
AKA: BGT
AKA: BGT
Dude, lets go to another party, everyone is just in a Bro Grind Train here.