Minko's Dozen
A group of a variable amount. When referring to alcoholic consumption, the number is far less that 12. When referring to any food product (typically foods high in fat content), the number is far greater than 12.
"Man, I go so fat-bodied last night on a Minko's dozen of Pirogis!" or "He'll be fine... he only had a Minko's dozen of Zima."