There are many jacks-in-office in the government.

The new manager is a real jack-in-office.

I need to buy two trolley jacks for my garage.

California Jack is a popular card game similar to all fours.

I caught a school of jack mackerels while fishing.

The quarter jack is a fascinating automaton.

I hung the jack towel in the bathroom.

There were a group of jack-asses grazing in the field.

He called his friend a jack-ass.

I used a jack stand to support the car while I changed the tire.