Barnaulka
Barnaulka is a diminutive or affectionate form of the Russian given name "Barnaul." Diminutives in Russian are often created by adding suffixes to a base name, conveying familiarity, endearment, or informality. "Barnaulka" would typically be used when addressing someone named Barnaul in a casual or intimate setting. The gender of a person referred to as "Barnaulka" is presumed to be male, as the suffix "-ka" is often applied to male names to form diminutives. The name Barnaul itself may be derived from the name of the city Barnaul, Russia.