Thunderdunk is a slang term that refers to a basketball dunk that is particularly powerful and impressive. There are many synonyms for thunderdunk, including slam dunk, monster dunk, thunderous dunk, tomahawk dunk, and jam. Each of these terms conveys a sense of force and impact, with the implication that the dunk was performed with great athleticism and power. Some other related terms might include alley-oop (when a player catches a pass and dunks it without hitting the ground), reverse dunk (when a player dunks the ball while facing away from the basket), and windmill dunk (when a player swings the ball around before dunking it).