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1. A bad-tempered person
   - grouch, grump, churl, crosspatch
    
2. A whimsically eccentric person
   - crackpot, nut, nut case, fruitcake, screwball
    
3. An amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
   - methamphetamine, methamphetamine hydrochloride, Methedrine, meth, deoxyephedrine, chalk, chicken feed, glass, ice, shabu, trash, crystal meth
    
4. A hand tool consisting of a rotating shaft with parallel handle
   - starter

1. (used of boats) inclined to heel over easily under sail
   - cranky, tender, tippy

1. Travel along a zigzag path
   "The river cranks through the countryside";
   - zigzag
    
2. Start by cranking
   "crank up the engine";
   - crank up
    
3. Rotate with a crank
   - crank up
    
4. Fasten with a crank
    
5. Bend into the shape of a crank

Derived forms: cranking, cranks, cranked

See also: unstable

Type of: amphetamine, bend, circumvolve, controlled substance, dag [Austral, NZ], deform, disagreeable person, eccentric, eccentric person, fasten, fix, flake [N. Amer], flex, geek, go, hand tool, locomote, move, oddball, pep pill, rotate, secure, speed, start, start up, travel, turn, twist, unpleasant person, upper

Encyclopedia: Crank Crank, Merseyside