I claim the ornamental design for an elephant trunk vehicle ornament, as shown and described.
FIG. 1 is a front, right, perspective view of an elephant trunk vehicle ornament showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right side elevation view thereof; and,
FIG. 7 is a left side elevation view thereof.
In FIG. 1 the broken lines show attachment of the elephant trunk vehicle ornament to the front end of a vehicle and form no part of the claimed design.