1crank 
/ˈkræŋk/ noun
plural cranks /ˈkræŋk/ noun [count] 1 : a machine part with a handle that can be turned in a circular motion to move something
▪ To open the car window, turn the crank on the door. 2 informal + usually disapproving a : a person who has strange ideas or thinks too much about one thing
▪ He was dismissed as a crank until his article was published. ▪ Most people think she's just a harmless crank.
b US : a person who is often angry or easily annoyed : grouch
▪ a bad-tempered old crank
▪ To open the car window, turn the crank on the door.
▪ He was dismissed as a crank until his article was published. ▪ Most people think she's just a harmless crank.
b US : a person who is often angry or easily annoyed : grouch
▪ a bad-tempered old crank
