mash

Regional

Meaning
To press (a button, a pedal).
Type
Regionalism
Used in
Alabama, Tennessee, Georgia, Mississippi, Kentucky, Appalachia, Deep South

What does “mash” mean

In much of the South, "mash" means to press something briefly. "Mash the elevator button" or "mash the gas." Outside the South the verb mostly means to crush (mashed potatoes).

Where it's used