Overflow meeting, a meeting constituted of the surplus or overflow of
another audience.
O`ver*flow"ing (?), n. An overflow; that which overflows; exuberance;
copiousness.
He was ready to bestow the overflowings of his full mind on anybody
who would start a subject.
Macaulay.
O`ver*flow"ing*ly, adv. In great abundance; exuberantly. Boyle.