shkalik (liquid measure, about 60 milliliters)
bottle / glass of vodka (of the above size)
Он выпил шкалик водки перед обедом.
He drank a shkalik of vodka before lunch.
На столе стоял маленький шкалик.
There was a small shkalik on the table.
Дед налил себе шкалик и выпил.
Grandfather poured himself a shkalik and drank it.
