WordNet sense 1 (a bad-tempered person):

churl, crosspatch, grouch, grump

WordNet sense 2 (a whimsically eccentric person):

crackpot, fruitcake, nut, screwball, nutcase

WordNet sense 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):

chalk, glass, ice, methamphetamine, trash, chicken feed, deoxyephedrine, meth, Methedrine, shabu, methamphetamine hydrochloride

WordNet sense 4 (a hand tool consisting of a rotating shaft with parallel handle):

starter

WordNet sense 5 ((used of boats) inclined to heel over easily under sail):

cranky, tender, tippy

WordNet sense 6 (lacking stability or fixity or firmness):

unstable

WordNet sense 7 (travel along a zigzag path):

zigzag

WordNet sense 8 (start by cranking):

crank up