Related Clues:

• Liberal politician, outwardly stout?
• Liberal politician in central Wales
• Generous supporter's no good with booster
• Full-figured parliamentarian carried by porter, say
• Liberal who'd need former partner for instance
• Enough or more than
• Enough beer to drown a politician
• First sample is missing, but there's plenty left
• Generous politician has the drink brought round
• More than enough drink to sink politician
• Plenty tested out of bounds
• Large enough
• Member's brought in beer, more than enough
• Topless model, substantial ...
• Politician in drink is expansive