from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To steal (a dog), especially for the purpose of selling it to a research laboratory.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To abduct a dog.
dog + (kid)nap.(American Heritage® Dictionary of the English Language, Fourth Edition)
dog + -nap. (Wiktionary)