うそ嘘usoつきtsukiうそつ嘘吐usotsuきki
1.
A person who habitually tells falsehoods or deceitful statements, often lacking sincerity in their words.
2.
Someone who exaggerates or distorts the truth, sometimes in a playful or lighthearted manner.
3.
An individual who regularly misleads others, whether intentionally or as a result of a tendency to embellish stories.
Example:
もし嘘なら、彼女はうそつきだ。