MEANING: noun: Something or someone placed in order to subvert from within.

ETYMOLOGY: In the legendary Trojan War, the Greeks left a large hollow wooden horse at the gates of the city of Troy. The Trojans took it inside. Greek soldiers hidden in the horse came out at night and opened the gates of the city, allowing the Greek army to enter and conquer the Trojans. Earliest documented use: 1574. In computing, a Trojan horse is a program that, while seemingly useful, steals passwords or does other damage to computers.

TROJAN HOARSE - King Priam has been shouting from the parapets much too much

TROJAN GORSE - a kind of prickly shrub found around Troy in the old days

TROJAN HOUSE - storage place for prophylactics