Wiktionary
superheavyweight
a. (context boxing English) Of or pertaining to the weight class for boxers exceeding 91 kilograms in body weight. alt. 1 A boxer of the #Adjective class 2 Someone or something that is extremely heavy or hefty n. 1 A boxer of the #Adjective class 2 Someone or something that is extremely heavy or hefty
Usage examples of "superheavyweight".
The air seems to concentrate itself, to solidify, and then boom, his head turns into a superheavyweight bowling ball that wants to drop onto his chest.