A Generation Gash is when someone has Sex with a girl’s gap and her mother’s gap or vice versa. If done within the same month you become a General!
Jamie: I ended up round a woman’s house the other day, and her daughter was sat at the other end of the room, I banged her last week!! They both had a massive generation gash!
by Henri the hoover May 17, 2018

by petricusperrywinkle January 21, 2011

by Copywriter? April 30, 2016

by Crams September 15, 2019

Mostly used in gay and drag culture; A person with an extremely loose penis receptacle, likely from having so many penises throw in it up to this point.
by Queen Supreme May 20, 2020

by Geometry dashing July 5, 2025

British military slang for rubbish or trash. Also can be applied to the word gash bag, meaning rubbish bag.
by i don't like usernames March 22, 2017
