Obs. nonce-wd. [? f. swinge, SWING v.1 + BREECH sb. 4.] ? One who struts or flaunts about.
1581. [A. Gilby], Pleas. Dial. Soldier & Chapl., M 3. Their [sc. the bishops] pompous trayne of proud idle swingebreeches, in the steede of Preachers & Schollers.