The ornamental design for a bungeecordadapter, as shown and described.
FIG. 1 is a front perspective view of a bungee cord adapter showing our new design;
FIG. 2 is a right side view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a cross-section taken through line 8-8 of FIG. 2.
The broken line showing of the various unshaded elements of the bungee cord adapter in FIGS. 1 and 4-8 represents unclaimed subject matter and forms no part of the claimed design. The unshaded regions within or adjacent to the shaded areas in FIGS. 6 and 7 form no part of the claimed design.