present participle of fuck

(vulgar) An act of sexual intercourse, especially one lacking passion or a feeling of sincere love. / (vulgar, figuratively) An act of mistreatment.

(vulgar) An intensifier, often applying more to the whole utterance than to the specific word it grammatically modifies. / (vulgar) Offensive, annoying or worthless.

(vulgar) Really, very; having intensive force, often applying to the whole sentence or clause.

(vulgar) Alternative spelling of -fucking-, used when the word inflix is put between two words

(slang, vulgar) The act of using or inserting one's fingers into another person's genitalia, anus, or other part of the body to stimulate them sexually.

(slang, vulgar) To insert a finger into a person's genitalia, anus, or other part of the body to stimulate them sexually.

(idiomatic, engineering) A quantity introduced to compensate for uncertainty. / (idiomatic) Any padding or compensation built into a guess or estimate.

(chiefly uncountable) A type of very sweet candy or confection, usually made from sugar, butter, and milk or cream. / (US) Chocolate fudge. / (uncountable) Light or frothy nonsense.

(intransitive) To try to avoid giving a direct answer. / (transitive) To alter something from its true state, as to hide a flaw or uncertainty, deliberately but not necessarily dishonestly or immorally.