noggin
noun
[ ˈnɒɡɪn ]
• a person's head.
• "it hit him squarely on the noggin"
• a small quantity of alcoholic drink, typically a quarter of a pint.
• "I imagine you all go round to the pub afterwards for a quick noggin and a chat"
Origin:
mid 17th century (in the sense ‘small drinking cup’): of unknown origin.