facebook leg - When you’re so stuck on Facebook your legs turn to jelly and

When you’re so stuck on Facebook your legs turn to jelly and you can’t feel them anymore.

I sat on Facebook for so long my legs are like Jell-O. I can’t walk.

My legs are jelly. I just got off Facebook. I think I’m gonna die.

I’m on Facebook so much my legs are melting. It’s a real thing.