What's grosser than gross?
Ten babies in one mail box.

What's grosser than that?
One baby in ten mailboxes.

What's grosser than that?
Biting into a pickle and finding a vein.

What's grosser than that?
A cheerleader doing a split and sticking to the floor.

What's grosser than that?
A girl thinking she has crabs only to find it's fruit flies because her cherry rotted.