cerebellar activity is inhibited in someone who is inebriated. consequently, they stumble and walk in zigzag lines. this condition called 

Inebriation commonly refers to the state of being intoxicated or having consumed excessive amounts of alcohol. The condition of stumbling and walking in zigzag lines while being inebriated is often referred to as "drunken gait" or "ataxic gait."

In this context, the term "ataxic" refers to a lack of coordination or impaired muscle control. When someone is inebriated, alcohol affects various parts of the brain, including the cerebellum, which is responsible for coordinating movements and maintaining balance. Alcohol's sedating effects can inhibit or impair the normal functioning of the cerebellum, leading to unsteady movements, stumbling, and a difficulty in maintaining a straight or steady walking path.