Definition & Meaning of "give a (flying) fuck"in English

What is the origin of the term "give a fuck" and how is it used?

"Give a (flying) fuck" is an English vulgar slang expression that appeared in the mid-20th century, likely in the 1940s–1950s. It uses "fuck" as a profane intensifier to indicate emotional investment, combined with "give" to mean offering attention or concern; "flying" is an optional intensifier for added emphasis. The phrase is used to express whether someone cares—or emphatically does not care—about something or someone. It appears in informal, often confrontational or humorous contexts. The expression is highly vulgar, offensive in formal settings, and depends on tone: it can show strong concern or strong disdain.