[n] an unskillful painting
[n] a blemish made by dirt; "he had a smudge on his cheek"
[n] material used to daub walls
[v] cover (a surface) by smearing (a substance) over it; "smear the wall with paint"; "daub the ceiling with plaster"
[v] apply to a surface; "daub paint onto the wall"
[v] coat with plaster; "daub the wall"