We don't have synonyms for grogger yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are frogger, groggier and progger.
(n) :
Alternative form of gragger. [(music) A type of ratchet (an idiophone musical instrument) used mainly in Purim celebrations in Jewish tradition; it consists of a board and a gearwheel attached to a handle, and is played by swinging the mechanism to make the gearwheel scrape against the board, producing a percussive sound.]
(n) :
Alternative form of gragger. [(music) A type of ratchet (an idiophone musical instrument) used mainly in Purim celebrations in Jewish tradition; it consists of a board and a gearwheel attached to a handle, and is played by swinging the mechanism to make the gearwheel scrape against the board, producing a percussive sound.]