doodlebug

noun

1. (British, informal)The V-1 flying bomb.

   “Soon after Richard was adopted, Orwell's flat was wrecked by a doodlebug.”

2. (historical)An automobile converted into a cheap tractor for a small farm during the Second World War.
3. An antlion larva (Myrmeleontidae).
4. (UK)A cockchafer (genus Melolontha).
5. (regional)A woodlouse.

   “Common names for woodlice vary throughout the English-speaking world. They include roly-poly, pill bug (usually applied only to the genus Armadillidium), sow bug, doodle bug, carpenter (Newfoundland),[…] cheesybug (Kent), and cheeselog.”

6. (informal)A term of endearment.
7. (informal)A slackard or time-waster.
8. (informal)An idiot.
9. (informal)Someone who draws constantly.
10. (informal)A divining rod or similarly intended device.
11. (obsolete)Individual self-propelled train cars.