Related Clues:

• Beer's cousin
• Shallow's opposite
• Requiring much thought
• Cask serving
• Bristol beer
• They're cold-blooded
• Brewpub order
• Cake companion
• Brit's brew
• Pint glass fill
• Like an abyss
• See 113-Down
• It could be part of one's inn take
• Tankard contents, often
• Tavern tipple