Seshwin 

When you have a session of anything! For Example:
Hanging out with friends,
Playing footaball,
drinking with friends,
fucking your girlfriend.

Guy 1 : I'm off for a seshwin!
Guy 2 : Wow, your allways seshwining!

Guy1 : Where have you been, looks like you've been partying!
Guy 2 : Yeah, I've been seshwining tonight, I seshwined the shit out of that place!

Seshwin by Lewis19 August 19, 2010

Seshwan 

Seshwan is when these Cork City lads, Padge or Sticks go on a unmerciful 2+ day bender causing carnage along the way. Most other humans don't survive a Seshwan.

"The Seshwan was unreal. Padge nearly died"

Seshwan by Padgeymania January 9, 2018

seshing 

to smoke (usually canabis) or drink (not as commonly referred to as seshing) in a group.

like "sesh" but speaking in the present tense.

can also be shortened to "seshin'"

"Hey man, we're just seshing right now, so I gotta call you back"
"This is definitely the highest I've ever been, seshin' with you guys is rad"

seshing by ella-babe January 31, 2015

Seshington World of Adventures

(Noun) The mystical destination one arrives at when they consume enough narcotics and booze in one sitting to achieve a deity-like state of mind #paradise

Somewhere in Valencia, 2017...
“Oi Seano, you ain’t said much lately.”
Seano: “I can’t talk right now. I’m in Seshington World of Adventures.”

Seshington World of Adventures by Dirty Mike Do What You Like May 31, 2019

seshwanistan 

A location only reached when an individual is in the presence of "Seshers". The "Seshers" congregate in a central location usually found in fadey spacial contexts. Such locations may include a living room, a roof top, a car, a bathroom, a city, an alley way,a basement, a backyard. Seshwanistan is a regular occurence particularily in the areas of mission beach San Diego, Burlingame California(b-town), the yay area, and sporadically found in houston texas.

Seshwanistan is not a physical location found by anyone and everyone. It is a subjective sub-conscious state of being, acquired through substance abuse (specifically marijuana, drank, and other forms of alcohol)

"hey uhhh...you wanna....." (a rise in tonation of the voice must occur as the statement progresses)

"Where are you bro?"
"The fade crew and me are visiting seshwanistan tonight...you in?"

seshwanistan by Fade Crew May 18, 2006

seshin 

spending many hours on a computer game or drinking with friends

Playing on a on-line multiplayer game, like a cod sesh, or a FIFA sesh, yuo can also sesh with your friends when you drink. This is called seshin

seshin by Richard Howey July 11, 2006

Seshgineering 

An invention created on the sesh to aid in a task related to the session.

Damn, Kyle used a bottle of amyl like a mortar and pestle to crush his molly, now thats real Seshgineering!

Seshgineering by Phalaps mammoth horse cock November 17, 2021