Purging method adopted by guy with symptom of drunkenness (9)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

ART (method, as in “there’s an art to . . .” = a preferred way to do something), contained in (adopted by) CAT (guy = slang for man or person) + HIC (short for hiccup = a symptom of drunkenness).