crank

6 definitions • 3 examples

a person who has strange or unusual ideas and beliefs

an unpleasant and easily annoyed person:

She's always a crank first thing in the morning.

a device that creates movement between parts of a machine or that changes backward and forward movement into circular movement:

a crank handle

an illegal drug that is a form of methamphetamine

a person who has strange ideas and behaves in strange ways:

He just seemed like a harmless crank to me.

a handle or bar on a machine that you can turn to make another part turn