| Looks like one of Jimmy Neutron's incomplete inventions A.K.A a Stub.|
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It is purple and appears randomly in the show. It appears to be one of two sodas shown in the series. It also appears as a health power-up in game, The Adventures of Jimmy Neutron Boy Genius: Jet Fusion.
According to Cindy, it is 98% sugar and creates tension as well as a temporary rash of energy and mood swings.