"Bon ___!"
(Other definitions for mot that I've seen before include "Wisecrack (for older cars!)" , "Vehicle check" , "Irish girlfriend" , "A French word, may be bon" , "French word for Tom" .)
(Other definitions for ami that I've seen before include "buddy" , "Parisian's friend" , "Mon . . . - my French friend" , "Friend (Fr.)" , "A male friend in France" .)