To convert into a mash; to reduce to a soft pulpy state by beating or pressure
The potatoes need to be mashed.
In brewing, to convert (for example malt, or malt and meal) into the mash which makes wort.
To press down hard (on).
to mash on a bicycle pedal
To press.
To prepare a cup of tea in a teapot; to brew (tea).
To act violently.
To flirt, to make eyes, to make romantic advances