(forestry) Synonym of widow-maker (“dangerous broken tree limb”)

plural of fool killer

(economics) Theory that the price of an object is determined by irrational beliefs and expectations of market participants, rather than intrinsic value; i.e. that one can make money by buying something for the sole reason of selling it to some one else for a higher price.

Alternative spelling of April Fools' Day

Alternative form of you could have fooled me

An imaginary personage said to like everything that is good, and plenty of it.

Third-person singular simple present indicative form of April-fool

plural of April fool

Expressed when the speaker has pranked someone successfully on April Fools' Day.

plural of fool's errand