Nothing, says Seneca, so soon reconciles us to the thoughts of our own death, as the prospect of one friend after another dropping round us.
Digby.
5. To come to an end; to cease; to pass out of mind; as, the affair dropped. Pope.
6. To come unexpectedly; -- with in or into; as, my old friend dropped in a moment. Steele.
Takes care to drop in when he thinks you are just seated.
Spectator.
7. To fall or be depressed; to lower; as, the point of the spear dropped a little.