(informal, vulgar, derogatory) An extraordinarily stupid person.

(vulgar, slang) To have a sexual encounter for physical gratification, and discard the partner immediately thereafter.

A shoemaker's tool for ornamenting the edge of a sole.

plural of fudge wheel

plural of fundamental group

plural of full metal jacket

(literally, vulgar) One who engages in sex with a child, child molester. / (strongly vulgar, offensive) An extremely contemptible person (as a term of abuse).

(mathematics) a type of function used in the analysis of inhomogeneous differential equations.

(mathematics, statistics) A sigmoid function giving the probability that a measurement, under the influence of normally distributed errors with standard deviation, is within a certain distance from the mean value.

(mathematics, cryptography) A function that is easy to compute in one direction but difficult to compute in the opposite direction (finding its inverse) without special information.