I've been working my butt off for a month with no results.

Cause he's now working his butt off and gaining fans all over the place.

I worked my butt off to get to this point.

One pound a week, and you worked your butt off.

Your mother just came home from working her butt off so that you can have a nice home and food on the table.

Here she was working her butt off in somebody else's town.

If you were up there, you'd be working your butt off.

I'm working my butt off and paying attention to details.

I'll work my butt off for him and show them.

He was working his butt off to place a hair just in the right place.