Gashtag 

Hashtags made by and for lesbians. The symbol is the same, but the word behind the hashtag will be used to lesbian Twitter users. It's a woman power thing.

The word "gashtag" is not necessarily used in a sentence, just used to describe to your buddies a lesbian based hashtag. #lesbiansunite

Gashtag by Markseagle October 16, 2017

Gashtag 

A hashtag on social media platforms such as Twitter or Instagram that is unnecessary or ridiculous, and is therefore colloquially defined as being 'gash'.

As a general rule of thumb, people who gashtag don't fully understand the concept of hashtagging - that by placing the # symbol in front of words designates them as search terms for other users.

Generic tweet: "OMG Made In Chelsea is on #imsoinlovewithspencermarrymeplease" - this is a gashtag because no one is going to type that in to a twitter search and clicking on it is unlikely to show any other tweets because the tag is so ambiguous

Or

New photo on Instagram: New dress #selfie #lipstick #and #lashes - in this case 'and' is the gashtag, it is unnecessary because 'and' is not a term most users will want to search for, and if it is, they probably weren't looking for a selfie from a pouting teenage girl.

Gashtag by Marky14Mark June 19, 2013

Gashtag 

Expressing your appreciation of a hottie on twitter via the use of a hashtag

John: Look at that girl's display picture

Adebayo: I'm gashtagging that #gashtag

Gashtag by Adebayo Akinfenwa March 6, 2012

Gashtache

Vaginal secretion left on one's upper lip after performing the act of oral sex

Look at Toby's Gashtache! He must have been hunting beaver.

Gashtache by Barramundi13 June 30, 2016

gnashtag

The anxiety and embarrassment of initially using the incorrect hashtag, followed by the subsequent relief that comes when eventually finding the correct hashtag.

I thought I was the only person Tweeting at the conference until I realised the hashtag was #ACMHN2016, not #ACMHN16. Oops! #gnashtag

gnashtag by meta4RN December 2, 2016

gashtacular

a women's vagina that is exceptionally spectacular.

Hey girl, you've got one gashtacular prize between those legs!

gashtacular by GlazeHer January 26, 2014

Gashage 

A term with numerous definitions:

1. "To get some gashage". Term used to describe getting some sex.

2. "Bloody hell, check out that gashage". A term used to describe numerous fit women. ("gash" used for a single fit woman)

3. "Go on my son, get some gashage!" A cajoling and encouraging term said to a friend to encourage them to have sex.

"Get some Gashage mate!"

"I tell you what, im going to be savaging some gashage tonight"

"I was in the club and there was BARE gashage"

"Theres been a gashage drought"

Gashage by Alex Vasis December 7, 2007