Definition of "mopsy"

rich hande-kercheefes, in their handes, and sometymes laied acrosse over their shoulders and neckes, borrowed for the moste parte of their pretie Mopsies and loovyng Bessies for bussyng them in the darcke

1583, P. Stubbes, The Puritan's Anatomie of Abuses

However, terrible as it may seem to the tall maiden sisters of J.P.'s in Queen Anne houses with walled vegetable gardens, this courtesan, strumpet, harlot, whore, punk, fille de joie, street-walker, this trollop, this trull, this baggage, this hussy, this drab, skit, rig, quean, mopsy, demirep, demimondaine, this wanton, this fornicatress, this doxy, this concubine, this frail sister, this poor Queenie--did actually solicit me, did actually say 'coming home to-night, dearie' and my soul was not blasted enough to call a policeman.

1936, Anthony Bertram, Like the Phoenix