2) gay slang for a well built (gay) adolescent. Presumably a jock.
2) Tom's years as a gym rat paid off. He's 17 now and such a thunder-chicken that he has all the old queens fawning over him.
Popularized in the midwest based on the popular Michigan band "The Thunderchickens."
(2)How was the test? I thunderchickened it.
(3)Are you going to Thunderchicken all of it?