gashmash 

two girls scissoring themselves!

me and my bitch gashmashed for hours lastnight

gashmash by fritzinator March 16, 2009

gashlash 

The injury sustained when turning ones head or body rapidly to observe a female.

Take a look at that totty over there, but mind you don't get gashlash.

My neck hurts after walking past all those hotties, I think I have a severe case of gashlash.

I spent the whole day meerkatting, and I have got gashlash.

gashlash by killban October 26, 2010

Gash Mash 

Also known as Skittle Bumping or Scissoring. It’s when two females grind genitals with one another in a cross legged position.

Anna fancies her vulvae being stimulated by Lorainne, as they embrace in the act known as the Gash Mash.

Gash Mash by MonkeyBoy808 June 16, 2010

gashsmasher 

One who partakes in excessively aggressive sexual activities in and about the vaginal area (the gash).

After a few cocktails the town gashsmasher went to town on some ladies in the VIP lounge.

gashsmasher by UCLA_SUCKS(ie44-6) October 9, 2007

Gashhash 

a term used to comment poorly on the quality of hash

this is gashhash, i wouldn't even let your mom smoke it

Gashhash by jaffaw July 16, 2009

Gash Mash-up 

When a person gets bored of one persons vagina so has to swap from fanny to fanny. Also if a person does not get action from his girlfriend or only once or twice a week so finds other girls so he can get gash all week.

Joe: Woww i've got a proper gash mash-up this week lillie on monday then ellie tuesday then my girlfriends sleeping over wednesday but friday i think i will see Georgie.

Jack: Ahh cant be arsed my girlfriends fanny is to tight i get bored might as well go fuck Georgie.

Gash Mash-up by sbvodka July 28, 2010

gashtashtrophy 

Word used to describe a woman or a group of women who are particularly hideous looking.

Or to describe a drunk horny woman after a heavy night on the town.

Dude 1: Mate don't go in that night club, its an absolute gashtashtrophy in there.

Dude 2: Thanks for the heads up. Ill go somewhere else.

gashtashtrophy by The Gash Meister May 28, 2011