Word of the Day x3

What's "the word I'm thinking of"? Today, there are three:

humdudgeon (noun)

An imaginary illness

"Whenever there was work to be done, Zachary took to his bed with a humdudgeon."

jaculate (verb)

To throw or hurl

"'I found the ball,' Kevin said. 'Hey, let's go out back and jaculate!'
'Uh, no.... I, uh, have a girlfriend, dude,' said Jerry."

nisus (noun)

Effort; endeavor; exertion; impulse

"Surprising everyone, Alphonse, with great nisus, did a headstand. 'Clears my sinuses,' he explained."