Phrase used as a reason to back out of attending an event when you don't have a reason
Adam: Michael, are you coming to the pub tonight?

Michael: I'm gashing out tonight
by CoolerthanDenard November 21, 2013
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When someone has had so much consecutive sex, they don't want to see another vagina for at least a day.
Dude, I am so gashed out! My girl and I have been getting it in non-stop since she got back into town two nights ago.
by GlazeHer March 2, 2014
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To reveal ones gash

aka - flap/rat/kebab/burger
cunt/punani/minge/flange
lady cake/pussy/fanny

When a woman reveals her vagina.
Alright love, get your gash out!
by Alex Reinwalt June 8, 2006
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This is the mating call of the male Homo sapiens.
It has been noted that when a man shouts this in anger at a women she immediately reveals her gash.
(Said in a deep booming voice) Get your gash out!

Variations include, but are not limited to: Get your gash out, NOW!; Get your rat out; Show me your slit!; and, the more tame: Come on love, let me see it!
by MikeBowler November 21, 2007
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