train brain

The act of receiving head while riding on a train.

I got some train brain on the railroads.

by yins April 17, 2008

Train Brain

Similar to road head, train brain is getting a blowjob on an extremely crowded train.

Carl: Dude, I got the sickest train brain yesterday.
Chad: Nice, what happened?
Carl: I ended up cumming on the guy standing next to me and getting kicked off the train.
Chad: Gnarly.

by Thefuckersattheendofthetable May 6, 2015

Train Brain

A person with mild to severe obsessions with trains.

Can be used to describe general forgetfulness due to the distracting nature of locomotives.

"Collin where is the cresent wrench?". Must have forgotten it due to the Train Brain.

by Timothy Laybiel October 9, 2025

fry brain train

What some citizens of Juneau AK. USA call public buses aka. public transit.

{Peter}: Don't light that siggeret, because I can see the fry brain train coming!

by Telephony April 16, 2015

brain train

When a girl gives a blowjob to more then one guy at the same time. The girl is the locomotive pulling the other cars of the train. thus called a brian train.

"last night we had a brain train going with this girl.. she was blowing all three of us at the same time!"

by conduct0r August 22, 2009

Brain Train

It's your train of thought, which all goes to naught if what you end up with isn't what you sought.

"Shit yo, your brain train just derailed! That shit ain't germane to ANY topic" - said to someone whose conversation went from sleeping bags to whether it would hurt to be slapped in the face with a dick

by Techno Dracula January 28, 2009

brain train

The long (or short) line of guys you have given head to in the past. Each new guy is in turn added to the brain train, the last guy being the caboose.

That's one guy I definitely want on my brain train!

by Karl Van October 25, 2010