Otherwise known as a Gillig BRT Plus CNG 40’ (G31D102N4). These are buses just purchased by the NICE Bus (Nassau Inter-County Express) company and they fart and make hilarious sounds. You know when one’s coming when you hear it.
Harvey: Looks like Joe and Kamala are here.
Roger: Why do you think that ?
Harvey: There is a short bus pulling up. It's electric though. So that's good.
When a group of naked men form an orderly line ballsack to ballsack (balls next to balls) hence Baghdad night bus. And when having a "good" time they shout "Baghdad!". The sound of ball "thwacking" can be heard from the UK to Baghdad.
"To dude I just gave Stacy's mom a cream filled bus!!"
"Dude sick did she have it going on?"
"Ya dude but she look like you could pitch a tent in there so she stared leakin like a faucet"