cuckoo's egg
nounEtymology
In reference to the habit of the cuckoo of depositing its egg into another bird's nest to be incubated and fed.
Definitions
Anything harmful that is infiltrated into a place in order to develop and emerge there.
The neighborhood
Vish — recursive loop
No curated loop yet for cuckoo's egg. Loops are being traced one word at a time while the ingestion pipeline matures.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA