Library Fever Share definition Flag When you go insane from spending too long in the library and start to find everything funny. Similar to cabin fever. "Is that the smell of your feet?""Yes."Hysterical laughter ensues. Library Fever. Library Fever by B'tom Ornstein May 17, 2010 0 0 Get merch Get the Library Fever mug. Buy Now — $32.95 See more merch