To make a groove, hole, or mark in by scooping with or as if with a gouge.
Japanese and Chinese printers used to gouge characters in wood.
To cheat or impose upon; in particular, to charge an unfairly or unreasonably high price.
The company has no competition, so it tends to gouge its customers.
To dig or scoop (something) out with or as if with a gouge; in particular, to use a thumb to push or try to push the eye (of a person) out of its socket.
To use a gouge.