The ornamental design for a noveltypillow, as shown and described.
FIG. 1 is a left side perspective view of a novelty pillow showing my new design; and,
FIG. 2 is a right side perspective view of a novelty pillow showing my new design.
The bottom is flat, includes no surface ornamentation, and forms no part of the claimed design.
The stipple shading shown on the front face of the pillow represents contrast between the front of the pillow and the top and sides and forms no part of the claimed design.