from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Not wormed; not treated for worms.
- adj. Not spoiled by worms.
from the GNU version of the Collaborative International Dictionary of English
- adj. Not wormed; not having had the worm, or lytta, under the tongue cut out; -- said of a dog.
from The Century Dictionary and Cyclopedia
- Not wormed; not having the worm-like lytta cut from under the tongue: said of a dog.
un- + wormed (Wiktionary)
The faeces of unwormed dogs can spread some very nasty diseases and all dog poo is deeply unpleasant stuff.