It’s not related to a time period, but more about the French restaurant chain called „Quick“. Le quick fuck is performing sexual acts in the playground of the restaurant itself. Most often emo kids do that type of stuff, people with sexual fetishes over bacteria too.
Antho: So, Anthelme, i’m bored, what about le quick fuck?
Fuck 12 (or Fuck the Police) but French. Anti-police slang popularized by the French group 13 Block. The number 17 refers to the French emergency telephone number for the police.