or shimmey, subs. (colloquial).A chemise. Also (Felsted) = a shirt: obsolete.
1837. MARRYAT, Snarleyyow; or The Dog Fiend, xliv. We have nothing but petticoats here and SHIMMEYS. Then what must I do? exclaimed Smallbones. Oh, I see, your shirt is torn off your back. Well, Never mind, Ill lend you a SHIMMEY.
1841. E. G. PAIGE (Dow, Jr.), Short Patent Sermons [BARTLETT]. As interesting a sight to me as a SHIMMEY in a wash-tub.
1851. E. Z. C. JUDSON (Ned Buntline), Cruisings, Afloat and Ashore, 100, Uncle Tommys Ghost. De ghost was nothing put one of Katys SHIMMEYS, pinned on a line to dry, and I was a darned fool to be scared py it, so I was.