A conservative or liberal Roman Catholic, respectively. Stands for pre-Vatican II, post-Vatican II; the ideological dividing line in the Roman Catholic Church. Example: They are such a pre-V2 family they still abstain from meat of Fridays.
PRE-V2, POST-V2
Meaning of PRE-V2, POST-V2 in English
Slang English vocab. Английский сленговый словарь. 2012