or scummer, subs. (old).—Excrement: as verb. = to defecate (COTGRAVE, 1611, s.v. Chier).

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  1598.  FLORIO, A Worlde of Wordes, s.v. Chinchimurra … A SKAMMERING of a dog.

2

  [?].  Ulysses upon Ajax, B.6. The picture of a fellow in a square cap SCUMMERING at a privy.

3

  1630.  MASSINGER, The Picture, v. 1.

        Just such a one as you use to a Brace of Greyhounds,
When they are led out of their Kennels to SCUMBER.

4

  1658.  Musarum Deliciæ, ‘On Epsom Wells.’

        For here old Ops her upper face
Is yellow, not with heat of summer,
But safroniz’d with mortall SCUMMER.

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