Electric Shock is a song taken from South Korean electropop group f(x) of their second EP released digitally on June 10, 2012, and released physically on June 13, 2012, under the label of SM Entertainment. The accompanying music video was released on June 11, 2012. The song debuted at #1 on the Gaon Chart's single and digital download chart, selling 630,510 copies in its first week, it then fell to #3 selling 285,501 copies the following week. After 3 weeks on the chart, Electric Shock had sold 1,121,472 copies.

‘Electric Shock’ is an electropop and dance-pop song, employing elements of electro house. Lyrically, it is expressing the feeling of love as an electric shock. The song compares confused but exciting feelings after falling in love, with the lyrics express this feeling interestingly by starting each line with the word, ‘Jeongichunggyeok (“Electric Shock” in English) to make it even more interesting.

An official 26-second teaser was released June 8, 2012. Another minute and a half extended teaser was aired on KBS World.The music video was officially released on June 11, 2012. The music video garnered more than one million views in less than a day and over 10 million views in less than a week.

The music video shows f(x) dancing to choreography by Jillian Meyers, who had previously worked with f(x) on their hit single Pinocchio (Danger) and would soon work again with Rum Pum Pum Pum. It features three sets, one pink set with running neon lights similar to a computer chip, one long white room with large white lights and reflective surfaces, and another white room with floor-to-ceiling windows. A total of 4 different sets of outfits can be seen on all five members. Throughout the video, the camera focuses back and forth between the dance number and close ups of each f(x) girl. In certain shots, each girl can be seen holding a specific electroshock weapon and directing it towards the camera: Krystal and Amber use tasers; Victoria and Luna use a stun baton; and Sulli uses a defibrillator.

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