Fib (?), n. [Prob. fr. fable; cf. Prov. E. fibble-fabble nonsense.]
A falsehood; a lie; -- used euphemistically.
They are very serious; they don't tell fibs.
H. James.
© Webster 1913.
Fib, v. i. [imp. & p. p. Fibbed (?); p. pr. & vb. n. Fibbing (?).]
To speak falsely.
[Colloq.]
© Webster 1913.
Fib, v. t.
To tell a fib to.
[R.]
De Quincey.
© Webster 1913.