This is so beautiful I had to wipe a tear from my eye. Shared from boing boing; street harassers in Lima, Peru are confronted by their own mothers (how they identified them, I don't know). The mothers have been disguised with wigs and makeup to act as targets, then they walk past their sons on the street. Much haranguing and hitting with purses ensues. Just beautiful.
ETA; apparently it's a PSA and not spontaneous. Still enjoyable.