It's a reference to the Trojan Horse of ancient Greek mythology.
Because the Greeks used it to trick the Trojans. Inside the horse, Greek soldiers waited and invaded the city at night, thus winning the battle.
because it was holding soldiers within it. They ambushed
Yeah, that was some Greek gift.
If you get a gift unexpectedly, ask why.
a wooden horse
they did not know who it was from and they thought it was a gift for Athena
The Trojans gave a hallow wooden horse filled with soldiers the Greeks as a "Gift", but in the night the soldiers came out of the horse and successfully seized the city.
Laocoon
The oldest wooden horse that became famous was probably the Trojan Horse. Built hundreds of years ago as a "gift" by the Greeks to the Trojans. Greeks would hide inside the horse, and attack once they were inside the city.
A priest had examined the wooden horse and said that it would cause great despair.
The Greeks his soldiers in a wooden horse (Trojan horse) and gave it to the Trojans as a gift to get Helen back.
You can give him a cowboy hat, a wooden horse, and or a complete cowboy outfit.