mutton thumper n. U.S. slang rare 0 an incompetent bookbinder.
1890 Cent. Dict., *Mutton thumper, a bungling bookbinder.

mutton tugger n. Obs. rare (perh.) a licentious man.
c1600 in A. Wood Life (1891-1900) I. 293 [The Oxford colleges are] the nurseries of wickedness, the nests of *mutton tuggers, the dens of formall droanes.