As verbs the difference between dispense and crank
is that
dispense is while
crank is to turn by means of a
crank .
As an adjective crank is
(slang) strange, weird, odd.
As a noun crank is
a bent piece of an axle or shaft, or an attached arm perpendicular, or nearly so, to the end of a shaft or wheel, used to impart a rotation to a wheel or other mechanical device; also used to change circular into reciprocating motion, or reciprocating into circular motion.