the state of being so drunk you shit your pants. the shitting usually takes place with underware on, and while laying in a bathtub. unleashing the a-train usually happens after taking a-bombers.
dam man jimmy took 3 a-bombers, 11 beers, and a couple rips pff the bong and then didnt have a choice but to have the inner a-train come out.
by jake suppa February 10, 2008
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On some college campuses taking Adderall is known as "taking the A train"

Adderall is used to help students concentrate and reduces their appetite
It's finals, everyone is riding the A-train right now
by Race04 December 6, 2010
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its when you and 4 friends pile into a little room, and take off your clothes. then everyone grabs the hips of the person infront of them. Then you turn the lights off and walk around the room, while saying train,train,caboose
last night me and 4 other people train,train,caboosed for like, 5 hours.
by smurfis February 2, 2006
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Double team that includes two people who are both named Alex. Known for its excellent sexual stimulation
by someguy April 3, 2005
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Not only the coolest transportation ever but now the coolest slang word ever. Instead of using "sketch," "kosher," "sick," ect. use train!
You: I just got bit by a Chik Fil A soup!

Me: Train!
by hey you punk March 11, 2016
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An angry Mexican, who along with his brothers Thomas y Dome moved to America and more specifically Peoria,Illinois in the hopes of listening to more Greenday albums.
Known for tucking his long, poofy, black hair into the stretched out collar of his Misfits T-shirt.
Referred to as P.C. or (Panzer Commander) for a brief period.
A-Train is proud owner of an ant-eater.
He is also credited with coining the now famous 819 symbol.
Probably most famous for his quotes: Tuthbrush, forewind, Dooby Dooby Scoo, Air Jumbing and the classic: Chorts.
"Hey mang stop calling me A-Train."
by ThE LaTe JC March 23, 2005
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When someone decides to vape in a moving car (driver or passengers), with the window rolled down. This gives the illusion of that the car looks like a steam train.
Yooooooo, there's a train at 1 o'clock!!!!!
by tylathenerd July 11, 2019
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