TO FRET ONES GIZZARD, verb. phr. (common).To worry oneself. See FRET.
TO STICK IN ONES GIZZARD, verb phr. (common).To remain as something unpleasant, distasteful or offensive; to be hard of digestion; to be disagreeable or unpalatable.
c. 1830. P. EGAN, Finish to Tom and Jerry, p. 241. It had always STUCK IN HIS GIZZARD to think as how he had been werry cruelly used.
TO GRUMBLE IN THE GIZZARD, verb. phr. (common).To be secretly displeased. Hence, GRUMBLE-GIZZARD (q.v.).