What is the definition of Hhv 7?

"hhv 7" is a fun little abbreviation that's basically a playful nod to the infamous 'HV7' virus, but in a comedic twist. HV7 is the one responsible for causing the mysterious and somewhat terrifying 'HV7 fever,' which typically manifests with symptoms like extreme fatigue, a strong desire to 'hive' around your favorite snacks, and an inexplicable need for '7s' in your daily countdown.

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Now, here's a sentence that might just unsettle your humor: "On the night of the HV7 anniversary, my therapist decided to throw in a 7-day countdown to 'HV7 calmness' using only hhv 7."