trip balls
semi-vulgar slang To become intoxicated from a hallucinatory or psychoactive drug. Oh, Jim? Don't worry, he took some acid and is kind of tripping balls, but he'll be fine in a few hours.
trip out
slang To become intoxicated from a hallucinatory or psychoactive drug. Oh, Jim? Don't worry, he took some acid and is kind of tripping out, but he'll be fine in a few hours.