Deserves every byte of derision and loathing she has earned on the internet.
Don't like being called a liar? Don't lie.
Don't want to commit perjury? Don't lie.
This isn't some ninja move on the part of your conversation partner. If you don't like the potential consequences of lying, there's a very effective vaccine for that disease. DON'T LIE. Say nothing if you can't say truthful things.