superheavyweight

Of or pertaining to the weight class for boxers exceeding 91 kilograms in body weight.

Near-synonym: superheavy

A boxer of the superheavyweight class.

Someone or something that is extremely heavy or hefty.

All around him was a human traffic jam, but this superheavyweight, so massive (get a load of that head!) and so easy to adore, was surrounded by a bunch of smitten fans reaching out to pet him, to touch his enormous paws and to receive his sloppy licks.