We don't have synonyms for thumbsucker yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are thumb-sucker, thumb sucker and humbucker.
(n) :
(US, slang) A piece of serious journalism that explains the background of current events and interprets them in a manner comforting to the intended readers.
(n) :
(US, slang) A piece of serious journalism that explains the background of current events and interprets them in a manner comforting to the intended readers.