Possible Clues:

• Noisy reveller
• One who drinks and uses his car round around
• One on a binge
• Revelry participant
• One taking drink-driver round roundabout
• He's living it up, a party animal
• He's having a wild time on the town
• The driver imbibes nothing, though he does enjoy a drink
• One on a merry drinking spree
• Drinker, motorist perhaps accepted nothing