At what point in evolution did humans cease flinging f***s at eachother?

Question

I'd imagine the era to be just before biblical times...maybe one day we realised that it was assult and set up a justice system in defense?

Answer 1

Please excuse me for a moment, I have an important matter to attend to. *flings f***s at younger sister*

Answer 2

I don't think we have reached that point yet. Don't you read the news, or watch TV?

Answer 3

FLYING f***s  

Answer 4

The "practice" is alive & well.  Just watch the elections.

Answer 5

Our cousins (chimps) Still do.