Flyspeck

['flaɪspek] or ['flaɪ,spɛk]

(noun.) a tiny dark speck made by the excrement of a fly.

Checked by Dolores--From WordNet

(n.) A speck or stain made by the excrement of a fly; hence, any insignificant dot.

(v. t.) To soil with flyspecks.

Typist: Wesley