1. the extreme top or summit.
2. Informal.the highest point or degree: the very tiptop of physical condition.
3. Chiefly Brit. Informal.the highest social class.
1. situated at the very top.
2. Informal.of the highest quality; excellent: a tiptop meal.
in a tiptop manner; very well: It's shaping up tiptop.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.