We don't have synonyms for dog whistle yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are dog-whistle and dogwhistle.
(n) :
(figurative) That which is understood only by a narrow demographic.
(n) :
(politics, sometimes derogatory) A political allusion or comment that only a certain audience is intended to note and recognize the significance of; particularly in relation to controversial or extreme viewpoints.
(n) :
A high-pitched whistle, generally inaudible to humans, used to train dogs.
(n) :
(figurative) That which is understood only by a narrow demographic.
(n) :
(politics, sometimes derogatory) A political allusion or comment that only a certain audience is intended to note and recognize the significance of; particularly in relation to controversial or extreme viewpoints.
(n) :
A high-pitched whistle, generally inaudible to humans, used to train dogs.