interrail 

A trip that you take using InterRail rail pass in Europe. With the pass you're allowed to travel in most of the countries that are part of European Union as much as you want to, e.g. for a month, if that's how long you've bought the pass for.

Anna is in interrail in Europe for another two weeks.

interrail by finnland January 8, 2011

Interracial Bromance 

A romance existing between two bros of different races.

Matt is white. Anthony is black. They are in an interracial bromance.

Interracial Bromance by five-six August 14, 2012

Anals of Internal Medicine 

A prestigious peer-reviewed medical journal targeted to pretentious anal-retentive physicians; journal in direct competition with the Annals of Internal Medicine

His shit is too good for us; he subscribes to the Anals of Internal Medicine

Anals of Internal Medicine by Snoopy Pugh April 18, 2008

Internal briefcase 

The type of turd which is so vast and substantial that relieving yourself of it is comparable to putting down a heavy briefcase you have been carrying all day.

Person 1: 'Hey are you ok? Whilst you were upstairs I heard a colossal thump.'

Person 2: 'Don't worry, I just dropped my internal briefcase.'

Internal briefcase by freshpot September 9, 2011

Going Internal 

Going Internal is a term used primarily by the United States Marine Corps to define what happens to an individual when they are completely overwhelmed by the negative external and internal factors affecting them. They are unable to think about anything except for how terrible their situation is. Individuals suffering from this psychological phenomenon usually go quiet for long periods of time and stare vacantly at whatever is in front of them. It is hard to engage in conversation with someone who has gone internal, and when it is possible to get them to talk they usually only talk about how bad they believe their situation to be.

Marine 1: "Whats wrong with Lance Corporal Pyle? He hasn't said a word in over an hour, and he's just staring at the ground."
Marine 2: "He's going internal. He just found out he has 24 hour duty this weekend."

Going Internal by scooterthepooter June 16, 2022

Interrailfuns 

noun

enjoyment, amusement, or light-hearted pleasure while travelling by train through Europe. In formal usage, it applies only while using the official Interrail Pass; otherwise it ought to only be railfuns.

“I had such interrailfuns en route between Budapest and Lake Bled!”

Interrailfuns by Sloo July 1, 2022

internal friction 

It's basically like sexual frustration or external friction, except it's in your head. (:

'Man, after last night with Louis, I got some internal friction."

internal friction by larrystylin28 December 21, 2017