What is Brbtrain?
1.
a train that hates your fucking guts and says "brb" just to get the fuck away, but when it gets to its destination it says "brb" again and has to come back.
GAWD DAMN THAT BrBTRAIN IT LEFT ME oh wait nvm its right there. SHIT SHIT!!! its leaving again GRRAWWWRRRLOLZORTEEHEEPWNNUMNUMNUM!!!!!1111!!!11!
See 
Random Words:
1. 
An erect penis quivering.
Rob made her squel when he poked her with his undulating thrum bobber.
See shlong, cock, shaft, wank..