At the end of 1898 the feelings of the Uitlanders were wrought up to fever pitch.
The poll tax raised awareness of local taxation to fever pitch for a few years.
The character's popularity reached fever pitch in 1996, when Fisher Price launched Tickle Me Elmo.
The spoilers reached a fever pitch when word hit the Internet that Brown's first scenes would be with Michael Park (Jack Snyder).
For months afterwards, the speculation of who shot J.R. grew to a fever pitch and television series discovered the beauty of the cliffhanger.