Meter duro
To go all out or dedicate yourself fully to an activity, putting in significant effort and energy.
A: I am going to meter duro at the gym, man. I want to lose this gut. B: Meter duro, friend (fren is a common Panamanian slang for friend, adapted from English). Just by going 3 times a week you will start losing weight.
Automatically translated from Spanish
Panamá