horizontal monster mash

basically to have sex lying down, cannot be vertical
or doing the crazed dance of the time, also while lying down
also can mean 2 monsters having sex, lying down
by Paublo Sanchez June 30, 2006
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gay keyboard mashing

when someone finds something funny and replies with random keyboard mashing rather than saying lmao or lol to show they're amused
mostly gays, preteens, or tumblr users use this tactic (or sometimes all three)
Gail: yo i fell down the stairs again
Sara: gGgHDGGDHShhhhdgdskskKDH
Gail: what the fuck was that
Sara: gay keyboard mashing
Gail: oh
by Get yeeted on October 15, 2018
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mash potato mouth

The action in which one tries to speak and a fully formed sentence is not formed. There are fragments and random words. The person is intently trying to form a sentence and make a point, but the sentence is incomprehensible. There is usually an utter of words and the spew of grunts and/ or the word uhh. This action is usually accompanied by a blank stare or glazed look.
I went to talk to him, but he started mash potato mouthing everywhere. He is real hard to talk to.
by zinna rose January 18, 2012
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bag of mashed assholes

a visual reference used when describing something very ugly
Geez, have you seen Brian's date? She's uglier than a bag of mashed assholes.
by Dallas "Big D" September 09, 2008
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Mash Tag

Not to be confused with (#) "Hash Tag", the (+) Mash Tag was created by Oklahoma native Paige Stiner to be used in the place of Twitter's "Hash Tag" on Facebook in 2011. It can be used when you are specifically talking about one topic and you want to make it known, it can also be used to add comedy or emphasis to a comment made. While a Hash Tag makes things searchable on Twitter, the Mash Tag has no real function. It is said to be a trend started to convince Facebook users to stop using Hash Tags where they did not originate.
That was quite a win for Oklahoma!

+OKC

+ThunderUp

(+)-is the "Mash Tag"
by Modern Webster June 05, 2012
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mash it up nah

A trinidadian phrase to usually said AFTER some one comes close to breaking something,it is a form of sarcasm.
person 1) knocks over appliance

Person 2) well mash it up nah.....
by bronte91 January 31, 2009
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mash her gash

Term used to describe the act of hardcore/rampant penetrative vaginal sex.
1. "Oi Farmer... I wanna mash your gash!"
2. "I'd well mash her gash"
by hotsweetpanini November 19, 2007
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