(to make an) untrue statement (especially about something unimportant)

undetailed lie

something invented or imagined

made-up story

(an act of) criminal dishonesty; a person who pretends to be qualified, to have authority or to want to be kind, but who is or does not

trickery, deception

a statement that one knows is not true

untruth

(a piece of) writing intended to amuse by imitating the style of writing used by somebody else; a poor example

imitation, spoof

a false claim or excuse made to deceive

falsehood, affected show; cover

(an offence of making) a false statement that damages a person's reputation

scandalous remark