Lacking on the front, but packing on the back

Front is lacking, but the back is packing

Whuxj is your favorite. What I'm packing in front or the back.

Small in the front with a whole lot to grab in the back ;) [stba]

I might be lacking on the front, but I'm packing on the back

Lacking up top but packing down bottom wouldn’t you agree

Lacking up top but packing down bottom wouldn’t you agree

lacking in the front, packing in the back

Lacking in the front, packing in the back [stba]

Perky in the front and packing in the back

The front's lacking but the back is packing

I'm lacking size from the front but I don't from the back