The ornamental design for high definition multimedia interfacepigtail, as shown and described.
FIG. 1 is a front perspective view of a high definition multimedia interface pigtail, showing our new design;
FIG. 2 is a right side elevation view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a bottom elevation view thereof;
FIG. 5 is a top elevation view thereof; and,
FIG. 6 is a front perspective view the high definition multimedia interface pigtail couple to a wall decorator-style plate insert.
The broken lines showing the environment is for illustrative purposes only and forms no part of the claimed design. Moreover, the portion of the high definition multimedia interface pigtail depicted in broken lines form no part of the claimed design. The left side elevation view has been omitted as it is a mirror image of the right elevation view presented.