To make a hole or indentation in something with a sharp tool or object. The carpenter used a chisel to gouge a groove into the wood.
To overcharge or swindle someone, especially in a financial context. During the festival, some vendors were accused of trying to gouge tourists with inflated prices.
To scoop out or remove something by digging or cutting it out forcefully. Rescuers had to gouge out tons of debris to reach the trapped miners.