Definition of jowls:
(n) :
The jaw, jawbone; especially one of the lateral parts of the mandible.
(n) :
A fold of fatty flesh under the chin, around the cheeks, or lower jaw (as a dewlap, wattle, crop, or double chin).
(n) :
The cheek; especially the cheek meat of a hog.
(n) :
A cut of fish including the head and adjacent parts
(v) :
(transitive, dialectal) To knock, bump, strike against; hit, strike; peck at.
(v) :
(transitive, dialectal) To jolt or shake roughly; shake up, mix together.