refers to sexual stimulation, especially of one's own genitals (self masturbation), often to the point of orgasm. The stimulation can be performed manually, by use of objects or tools, or by some combination of these methods.
by Bustasesh February 10, 2010

A mythical creature that appears to sesh on every full moon. Instigator of majority of sesh-related chaos. When the sesh has finally ended, this despicable creature reverts back to it's human form, only to reemerge on the next sesh.
by Sesh_Gremlin3000 October 13, 2016

by dudeman broguy July 13, 2009

The term used if a person shits out of something, goes home early on a night out, or basically stops doing something that in all situations should be done with ease.
E.g.
A person goes home from a night out really early
"You propa half-seshed it last night didnt you, went home early"
And
"Are you coming on the new oblivion ride at alton towers?" "No" "You Half-sesh"
A person goes home from a night out really early
"You propa half-seshed it last night didnt you, went home early"
And
"Are you coming on the new oblivion ride at alton towers?" "No" "You Half-sesh"
by rego_jacko March 31, 2009

You and your buddies getting plastered drunk inside a bunker on a golf course, usually done by ratty teenagers that leave the beer cans everywhere for the workers to clean up.
by RoboEbo January 26, 2019

by troungman June 26, 2021

The sesh king is a name given to the the one of the Bois who has seshed the hardest during the night. This includes getting the most fucked up on all substances possible. It's Normally Ed Alger.
by Juanboiii November 15, 2017
