Possible Clues:

• Bulging cask in bar
• Stout in hospital lacks aroma initially
• More than chubby
• Heavy drinks bottles heading for tavern
• Fleshy part of carrot underground
• Corpulent, plump
• Set of drinks including Tango makes you plump
• Zaftig
• Word that retains its meaning when its third letter is removed
• Unusually stocky pugilist's last to appear in spell of boxing