Refers to any fly of the infraorder Muscomorpha. Common in everyday contexts.
There is a fly flying around in the kitchen.
Derogatory term for a person of no value, similar to 'pisher' or 'scrub'. Used in informal, contemptuous speech.
Don't worry about what a worthless guy like that says.
Flies were swarming on the food.
I waved the flies away with my hand.
It was annoying, so I swatted the fly.