To behave boisterously or defiantly under the influence of alcohol, often becoming aggressive or making a scene.
他平时是个温和的人，但一旦喝醉了酒，就容易仗气使酒，让人很头疼。
He is usually a gentle person, but once he gets drunk, he tends to behave boisterously and make a scene, which is quite troublesome.
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