Don't be such a smart-ass in front of the guests.

The project's ass-backward timeline forced us to finalize the deliverables before any real testing was done.

The instructions were ass backward, so we assembled the shelf the wrong way.

That was a dumb-ass decision.

When he missed the easy shot, his teammate called him a dumb-ass, but he just laughed it off.

Don't follow that dumb ass plan; it's bound to fail.

He was such a dumb ass for forgetting his passport.

He took an ass backwards approach to fixing the engine, which only made things worse.

Don't be such a wise-ass; some of us are trying to work here.

Don't be such an ass clown during the meeting; it's unprofessional.