Definition of "tidy sum" [tidy sum]

• (often followed by `of') a large number or amount or extent (noun)

WordNet. Princeton University. 2010.

• "If you've read my earlier memoirs you'll know all about it — and how by shirking, running, diving into cover, and shielding my quaking carcase behind better men, I had emerged after four campaigns with tremendous credit, a tidy sum in loot, and a chestful of tinware."