Wiktionary
n. A cocktail made from gin, lemon juice, sugar, and fizzy water.
Usage examples of "gin fizz".
One sat in his shirtsleeves behind the bar reading a book while the other sat drinking a gin fizz in the far corner near French windows opening onto a verandah.
Keenan listening to Miles Davis and holding a gin fizz in one manicured hand.
I make brandy Alexander, de folks from up de hill does like dem, and sloe gin fizz and like dat.
None of that added up to friendship, though, and if Sam meant to spill this nutty business to someone, he wanted it to be to a friend, not an associate that called him ole buddy after the second sloe-gin fizz.
He was offered a sloe gin fizz in a pink frosted glass by a young woman who removed her glass eye and sucked on it while discussing the moral imperatives of the sponge boycott in Brooksville, Florida.