Related Clues:

• Small drink of whisky
• Short measure
• Tot (of whisky)
• Small Scotch
• Tot of whisky
• Small drink of alcohol
• Snake oil seller's measure
• Armenia's basic monetary unit
• Apothecary unit
• Liquor unit
• Wee bit o' Glenlivet, say
• Nip at a bar
• Small drink of scotch
• Apothecaries' unit
• Last drop of hard stuff?