Grape soda is a nickname given to someone if you can't remember their nickname
P:1 "hey your nickname is grape soda"

P:2 "No its (enter nickname)"

P1: "nah it's grape soda"
by CandyQueenGabeNovak April 12, 2018
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big boi white boi wants another soda for energy to suck his own titties while playing League of Legends on his 1998 Windows computer. So instead he calls his grandma on his pimpass flip phone to get him another grape-flavored, sugar-compacted beverage.

an ad from The pediatric orthopedic society of north America.
Chubby Kid: "Hey grandma, how bout another grape soda?"
Grandma:* Stares intensely and disappointed at the camera*
by wattsup,get it January 1, 2020
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A pop (soda) flavor that has been attached to black people stereotype by the yt community.
Grape soda is an important drink but I love Red Faygo more.
by ComminCents February 25, 2023
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