1 definition by needlesstosay

Top Definition
A fizzy drink that has lost it's fizz, but is still desirable due to it's sweet and often fruity taste.

Usually drank chilled with ice.
Becky: "I'm gagging for a stilly."

Paul: "We only bought the cola yesterday, it's not a stilly yet."

Becky: "Shit, I wish you could buy stilly's."
by needlesstosay October 30, 2010

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