His third leg had a mind of its own

It has a mind of its own ;)

It burst out of my shorts in the gym. Mind of its own...

My ass has a mind of its own I swear :p

It’s got a mind of its own

It's got a mind all to its own

He seems to have a mind of his own ;-)

It has life on its own

It has life on its own

What do you think is occurring in Harley Hart’s mind amid receiving

What do you think is occurring in Harley Hart’s mind amid receiving

Has a mind of its own 😏