The Collaborative International Dictionary of English v.0.48:

Daub \Daub\ (d[add]b), v. t. [imp. & p. p. Daubed; p. pr. &
   vb. n. Daubing.] [OE. dauben to smear, OF. dauber to
   plaster, fr. L. dealbare to whitewash, plaster; de- + albare
   to whiten, fr. albus white, perh. also confused with W. dwb
   plaster, dwbio to plaster, Ir. & OGael. dob plaster. See
   Alb, and cf. Dealbate.]
   1. To smear with soft, adhesive matter, as pitch, slime, mud,
      etc.; to plaster; to bedaub; to besmear.
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            She took for him an ark of bulrushes, and daubed it
            with slime and with pitch.            --Ex. ii. 3.
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   2. To paint in a coarse or unskillful manner.
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            If a picture is daubed with many bright and glaring
            colors, the vulgar admire it is an excellent piece.
                                                  --I. Watts.
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            A lame, imperfect piece, rudely daubed over.
                                                  --Dryden.
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   3. To cover with a specious or deceitful exterior; to
      disguise; to conceal.
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            So smooth he daubed his vice with show of virtue.
                                                  --Shak.
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   4. To flatter excessively or glossy. [R.]
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            I can safely say, however, that, without any daubing
            at all,
            I am very sincerely your very affectionate, humble
            servant.                              --Smollett.
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   5. To put on without taste; to deck gaudily. [R.]
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            Let him be daubed with lace.          --Dryden.
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The Collaborative International Dictionary of English v.0.48:

daubed \daubed\ adj.
   smeared thickly; as, mud-daubed walls.

   Syn: beplastered, besmeared.
        [WordNet 1.5]