2 definitions by Panda lover
A group of at least 9 well endowed males, preferably of hispanic decent, form a congo-like anal sex train creating a line. It is preffered not to attempt on humid and thunderous days. You should have at least one designated "spotter" becuase these events tend to go horribly wrong. Music is usually recommended listening to is Basshunter's Dota or Boten Anna for it livens the mood and creates more pleasurable anal sex experiance.
Man last weekend at my grandparents we had the most insane san francisco rail road, unfornately Nelson is still in the hospital.
by Panda lover July 11, 2008
panda Unicorn Dragon Pancorndra
by Panda lover August 10, 2013