a carbonated, flavored, and sweetened soft drink.
[ 1905-10 ]
Regional Variation . The terms SODA POP, SODA, and POP are widely used throughout the U.S., although POP is mainly associated with the Midland U.S. DOPE is used as a synonym in the Southern U.S., esp. in the South Atlantic States, and TONIC is used in eastern New England.