fly·speck 
(flīspĕk′)
(flīspĕk′)n.
1. A small dark speck or stain made by the excrement of a fly.
2. A minute or insignificant spot.
tr.v. fly·specked, fly·speck·ing, fly·specks
1. To mark or foul with flyspecks.
2. Slang To examine closely or in minute detail; scrutinize.