However, if asked to bet whether right-wing apoplexy will grow or shrivel, the smart money obviously has to say the former.
At the same time, the smart money has long been on the Muslim Brotherhood.
The new GOP “It Boys” who, despite long odds, are starting to attract the smart money.
"money bet by those in the know," 1926, from smart (adj.). The same phrase earlier meant "money paid to sailors, soldiers, workers, etc., who have been disabled while on the job" (1690s), from a noun derivative of smart (v.). Also "money paid to obtain the discharge of a recruit" (1760), hence "money paid to escape some unpleasant situation" (1818). Sometimes in legal use, "damages in excess of injury done."