Yella Bitin Flies

Also referred to as "Yellow Flies," for the yanks in the audience. Commonly seen in the Southern States. It is what it sounds like for the most part. Just a fly that's yellow in color and has a bite that ain't no joke.

Son I'm gettin toe up by dem yella bitin flies, let's head in and turn on the TV. Heard theys a new documentry on Carolina wampus cats.

Time flies

Used as an observation that time seems to pass very quickly.

Time flies when you are focused on work