A two word term used to describe the foolishness in both typos and the spedecial errors in one certain person's life... You know who you are!
(Commonly used through out common wealth of Pennsylvania)
Person 1: Help, the URL isn't working!
Person 2: You spelled follis musem, not fossil museum... You... How!??... UGHHGHGHH.
Person 3: This is follis musem in it's purest of forms.
To mess around stupidly. To act foolishly.
We were just Folly Loping around but he is to serious.
A thoughtless action resulting in tragic consequence great in extent, or size.
Mao Zedong's "Great Proletarian Cultural Revolution" was a monumental folly .