What does ay que mentirosa mean?

"Ay que mentirosa" is a Spanish phrase that translates literally to "Oh, what a liar!"

It is an exclamation of disbelief or surprise at someone's lie, often used in a playful or affectionate way. The phrase is often accompanied by a gesture like shaking one's head or a playful roll of the eyes.

Here are some other ways to translate it depending on the context:

* "You're such a liar!"

* "Oh, you're full of it!"

* "You're kidding me, right?"

* "Come on, you're making this up!"

The phrase is common in Latin American Spanish, particularly in Mexico and other countries where the language is spoken with a more relaxed and informal tone.