Kylie Jenner 's a difficult Kardashian to keep up with ... even her family had trouble doing it during a wild prank on Khloé Kardashian 's "Khloé in Wonder Land" podcast.

The reality star appeared on an episode of her sister's show -- released Wednesday -- and she informed Khloé of a TikTok trend where people prank their friends by calling them, asking if they meant to share that risqué post to their social media. Khloé in Wonder Land

Jenner put the trend into action by calling her sister Kim Kardashian first ... who searched her social media thoroughly before her sister told her it was just a big prank for the pod.

Kendall Jenner and Kourtney Kardashian weren't as easy to trick ... with Kendall particularly unbothered by her sister's attempt to screw with her. Gal

See Full Page