Kim Zolciak and Kroy Biermann's Thanksgiving holiday had plenty of family drama ... we've learned cops were called after the estranged couple got into a heated exchange in front of their kids just before Turkey Day.
In a new incident report obtained by TMZ ... the Milton Police Department explains they were dispatched on Wednesday to Kim and Kroy's Georgia home -- which is set to be auctioned off today -- for a domestic violence call.