The idiom "to pull someone's leg" means to tease or joke with someone in a playful way. It's a lighthearted expression that is used to make someone believe something that is not true, just for fun.
For example, if you tell your friend that you won the lottery and they believe you, but then you reveal that you were just pulling their leg, it means you were joking with them.
This expression is often used in informal situations, such as among friends or family members. It's important to note that this idiom is not meant to be hurtful or mean-spirited, but rather to create a fun and playful atmosphere.
So, if you want to tease someone in a friendly way, you can use the expression "to pull someone's leg" to let them know that you're just joking around.
• I was just pulling her leg when I told her that I had forgotten her birthday, I had already planned a surprise party for her.
• Don't take him seriously, he is just pulling your leg by saying that he is the CEO of that big company.
• He loves to pull his colleagues' legs by pretending to be the boss and giving them ridiculous tasks to do.
• The comedian is famous for pulling the audience's leg during his shows, making them laugh and forget their problems for a while.
• I like to pull my little sister's leg by telling her that the tooth fairy won't come if she doesn't brush her teeth.
• My friend likes to pull my leg by saying that he saw a UFO in the sky last night.