Definition of brims:
(n) :
The topmost lip or rim of a container, or a natural feature shaped like a container.
(n) :
A projecting rim.
(n) :
(especially) That of a hat.
(v) :
(transitive) To fill (a container) to the brim (noun etymology 1, sense 1.1), top, or upper edge.
(v) :
(transitive) (figurative) To fill (something) fully.
(v) :
(intransitive, also figurative) To be full until almost overflowing.