Fool around and Pull someone's leg

Fool around verb - To engage in attention-getting playful or boisterous behavior.

Pull someone's leg and fool around are semantically related. In some cases you can use "Pull someone's leg" instead a verb "Fool around".

Pull someone's leg verb - Subject to a playful hoax or joke.

Fool around and pull someone's leg are semantically related. Sometimes you can use "Fool around" instead a verb phrase "Pull someone's leg".