1) The event used to describe when the threshold of
creativity has been crossed over into insanity
2) The event used to describe the exact
moment that started a downfall.
When Arthur Fonzerelli jumped the shark, that was Happy Days' "Hair on fire" moment.
When Indiana Jones survived when the Soviets nuked the fridge, that was the series' "hair on fire" moment.
When Micheal
Jackson's hair caught on fire during a Pepsi commercial, that was his "hair on fire" moment.
When Battlestar Galactica swept the pigeon, that was their "hair on fire" moment.
When Soulja
Boy released an album, that was rap
music's "hair on fire" moment.
When Axl Rose substituted Slash with Paul Tobias on guitar for Guns N Roses after 1993. that was rock
music's "hair on fire" moment.
