嘘

Idiomatic expression

something intended as a lie or joke which (by chance) ends up being true; lie turned truth

Proverb

show me a liar, and I will show you a thief

white lie; harmless lie; fib

Jocular, humorous term; Play on 言う and 結う

having never told a lie

Idiomatic expression; Said by children when making a pinky swear

cross my heart and hope to die, stick a needle in my eye; pinky promise pledge: if you're lying, I'll make you drink a thousand needles

full of lies

just kidding

lie