We don't have synonyms for stallone yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are stallion, shallon and stalling.
(n) :
(film) used specifically of Sylvester Stallone (b. 1946), an American actor, director, screenwriter, and producer, known especially for his acting roles as boxer Rocky Balboa and soldier John Rambo.
(n) :
(film) used specifically of Sylvester Stallone (b. 1946), an American actor, director, screenwriter, and producer, known especially for his acting roles as boxer Rocky Balboa and soldier John Rambo.