noggin
/ˈnɑɡɪn/noun
ElementaryNot in standard dictionaries
1
A small mug, cup or ladle; the contents of such a container.
2
A small measure of spirits equivalent to a gill.
3
The head.
4
A signalling molecule involved in embryo development, producing large heads at high concentrations.
5
Alternative form of nogging (“horizontal beam; rough brick masonry”).
#slang