flyspeck

1 ENTRIES FOUND:
flyspeck /ˈflaɪˌspɛk/ noun
plural flyspecks
flyspeck
/ˈflaɪˌspɛk/
noun
plural flyspecks
Britannica Dictionary definition of FLYSPECK
[count]
1 
: a very small piece of waste matter from a fly
2 
informal : something that is very small