* EarWorm: To the point that it's malicious.
* MemeticMutation
* OlderThanTheyThink: When "Space Unicorns" was uses as a one-off gag in ''WesternAnimation/StarVsTheForcesOfEvil'', hoards of viewers plagued YouTube's search engine, curious as to whether or not it was a real song.
* TastesLikeDiabetes: Good lord...