Pink Funky is the third extended play by South Korean girl group Mamamoo. It was released by Rainbow Bridge World on June 19, 2015 and distributed by CJ E&M Music. It contains six songs, including the singles "Ahh Oop!" (a collaboration with Esna) and "Um Oh Ah Yeh". The album was the group's most successful to date, debuting at number six on the Gaon Album Chart and selling more than 13,000 units. Musically, the album is a mix of genres including R&B, hip hop, and funk.

On April 2, 2015, Mamamoo released a surprise collaboration single with Esna, titled "Ahh Oop!". It was promoted on music shows for two weeks, starting with M! Countdown that same day. The retro style music video for "Ahh Oop!" was produced and directed by Digipedi.

On June 11, Mamamoo announced the upcoming release of Pink Funky and lead single "Um Oh Ah Yeh". The full track list was revealed on June 17, and the album was released two days later. One reason the album was released in June was so the group could participate in university campus festivals in September, where girl groups are often invited to perform. In the music video for "Um Oh Ah Yeh", three of the members dress up as men, wearing wigs, beards, and prosthetic makeup.Park Bo-ram makes a cameo appearance as the girl who tells Solar that Moonbyul is actually a woman.

On June 14, Mamamoo held guerilla concerts in Daehangno and Hongdae, where they performed "Um Oh Ah Yeah" for the first time. The group held a comeback showcase for the album at Ilchi Art Hall in Cheongdam-dong, Seoul on June 18. The album was then promoted for six weeks on various music shows, ending with Inkigayo on July 26.

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