what is the meaning of this phrase?

"hang low"

what do people mean when they say, "there are always hiccups when companies merge."

the doctor's office i work for partnered with a bigger company in february and now the doc wants to get out.

he signed the contract without reading it.

my manager said he was told to hang low. whatever that means.

no one knows what's happening. is the doctor going to be able to get out of the partnership???