-- dancing; pre-rehearsed handshakes; the «dab» and similar; funny walks; kissing (with or without tongues); masks; shirt removal; somersaults, backflips, etc.; undershirts with personalised messages; mimes of any kind (including but not limited to air guitar, baby - rocking, boot - polishing, «deejaying»); sticking out one's tongue; tearing apart a live pigeon with hands and bared teeth;
corner flag misuse and abuse; damaging advertising hoardings.