Sentence:  All around him was a human traffic jam, but this <WSD>superheavyweight</WSD>, 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. 
Meaning of the word marked with <WSD> tags:  Someone or something that is extremely heavy or hefty