Combining usually internet or other types of videos whilst some times incorporating music to create a new video that either may be centered around one more themes, or merely to show all of the videos together.
Hes "mashing" together auto-tune remix videos.
the act of squishing your private parts together.
i walked in on her mashing.it was gross.and stunk.
Tim is a great guy, he is MASH, making awesome shit happen.
I went to succeed faster, all they did was MASH; make awesome shit happen.
To click on something or push a button.
Usually used in the deep south.
I type in my user name and password then I mash on Log In.
I mashed on the doorbell.
noun
the state of being in big trouble without excuses left
adj. (-ed)
in big trouble without excuse
Jacki was a mash after Kee walked in on her and Herm.
Gigi knew she was a mashed gal when the cop pulled her over.
where a fat bitch gets screwed so hard the fat creases on her ass get a rash
The act of strolling into your local supermarket and heading toward the fruit and veg section. Where you start to masturbate yourself as vigorous as possible, ending with a creamy substance left all over the potatoes, much like Planking became an internet sensation many have taken to Mashing in much the same way.
Andrew: "Look at that girl over there by the tomatoes, she's got her hands right down her knickers."
Richard: "Who? Catherine? Squatting over the Potatoes? She must have her whole fist up there man."
Andrew: "Yeah, she's Mashing hard dude."