To crush, deform, or aggressively force parts into place rather than aligning them properly. Workers mash things when they lose patience with tight tolerances, cross-threaded bolts, or mismatched fittings. It usually results in stripped threads, bent brackets, and ruined equipment.
Heard on the job
Don't just mash the gears into the housing, you need to align the splines first.
Insider tip
If you have to mash it, you are probably doing it wrong.
Also heard as
- Jam
- Ram