A small mug, cup or ladle. / (dated outside dialects) A small measure of spirits equivalent to a gill. / (slang) The head.

plural of noggin

(idiomatic) To think, especially in a careful or clever manner.

(slang) To get a person thinking; to encourage thought or cogitation.

present participle of nog

(carpentry) A horizontal beam used in the construction of a building, especially to strengthen upright posts. / (masonry) Rough brick masonry used to fill open spaces.

plural of nogging