Kroy Biermann Gets Ticket for Dog Getting 'Aggressive' with Neighbor

Cops know Kroy Biermann and Kim Zolciak's Georgia address by heart now -- they've been there enough -- but their latest visit wasn't for the couple fighting ... cops say the problem is their massive dog.

TMZ obtained a Milton PD report in which officers say they slapped Kroy with a citation Saturday due to a neighbor's complaint about his dog, Stone, getting loose and allegedly terrorizing a neighbor.

According to the docs, the neighbor called police after spotting the dog running free in the neighborhood, and claimed Stone had been "aggressive" toward her.

Stone eventually made it back home to Kroy, who spoke to responding officers about how his 3-year-old Cane Corso -- a type of mastiff --…