The smarties in our study group always help others understand difficult problems.

Don't be such a smartie during the meeting.

Nobody likes a smarty who always points out mistakes instead of offering to help.

The teacher sighed when the smarty pantses in the back started arguing about the answer.

Don't be such a smarty pants during the meeting; your corrections can wait until after we finish.

Don't be such a smarty boots at the meeting; your interruptions aren't helping.