mash on (something)

mash on (something)

To press down on something very forcefully and without finesse. Don't just start mashing on the keyboard when the computer stalls like that—you'll only make it freeze up even worse. I've got a patient who's been mashing on the call button every 10 minutes.
See also: mash, on
Farlex Dictionary of Idioms.

mash on something

to press on something, such as a button. (Southern.) He kept mashing on the doorbell until someone responded. Just mash on this button if you want someone to come.
See also: mash, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

mash

in. to neck and pet. (Collegiate.) Who are those two mashing in the corner?
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • mash on
  • champ down on (someone or something)
  • chomp down on (someone or something)
  • pelt (someone or something) with (something)
  • pelt with
  • pelting
  • lop
  • lop (something) off
  • lop off
  • hurl into