173

Menaced DENNIS or Wormy SHERMY is card 173a/173b from the fifth series.

Description
The card shows a boy with worms crawling in and out of him while he sleeps.

Parodies/Represents
The card makes fun of parasites and of childhood nightmares, and may be a reference to the playground chant "the worms crawl in, the worms crawl out," and the a name may be a joke on the character Dennis the Menace.