This is the 12060th most frequent Russian word.
зэки
"Зэки" (plural) refers to prisoners or convicts in Russian.
Зэки is used here as a casual and colloquial reference to inmates, commonly used in conversational speech.
Зэки рассказывали свои истории.
The inmates were sharing their stories.
In this sentence, 'зэки' is mentioned as a word that can be used in a humorous or ironic context by younger people.
Молодёжь иногда употребляет слово 'зэки' в шутку.
Youth sometimes use the word 'zэки' as a joke.
Here, 'зэки' refers to prisoners as a societal group and is used to highlight their portrayal in literature.