2013: "Hotter Than A Summer" and Nom Nom Nom On August 3, 2013, Sony Music announced a girl group which had been training for three years, with a
dancehall genre of music and the dance of
twerking. Sony Music said, "Wassup will be different from other girl groups. They aim to spread
hip hop music through their numerous activities." On August 7, the group released their debut music video "Wassup". They later held their debut performance on
Show Champion. On September 4, the group released the music video for "Hotter Than A Summer", a reggae track composed by Red Roc and written by YE YO. On November 20, 2013, the group released their first EP,
Nom Nom Nom, alongside a music video for the lead single of the same name. They had their debut performance of the song the same day. The
Nom Nom Nom EP entered the Gaon Korean album charts at number 29.
2014-2016: "Fire", "Shut Up U" and "Stupid Liar" On June 9, 2014, Wassup released a music video for the single "Fire". The video was made to celebrate the
2014 FIFA World Cup hosted in
Brazil. The video featured the band playing football in Brazilian and South Korean jerseys. Wassup's
Showtime EP entered the Gaon Korean album chart at number 55. On December 8, 2014, they released a music video for "Shut Up U". On January 26, 2015, the group released a video for "Stupid Liar". On December 25, 2015, the group released a Christmas special clip to the song 안아줘, from their EP,
Showtime. On November 27, 2015, Woojoo sprained her ankle while practicing dance moves causing the group's next comeback to be delayed. On February 3, 2016, Wassup released a collaborative single with
Madtown and Rooftop House Studio, titled "Do You Know How I Feel" featuring Jooyi, a former member of
Rania.
2017: Nada, Dain & Jinju's departure and ColorTV On February 1, 2017, it was announced that
Nada had officially left the group following a dispute with the company, after her earnings from participating in "Unpretty Rapstar" were instead taken by the company and applied to her pre-debut debt. After Nada asked the company to terminate her contract, they refused, resulting in Nada filing a lawsuit to forcibly terminate her contract. The company announced that the group would be coming back as a quartet composed of Nari, Jiae, Woojoo and Sujin, but did not make any statement regarding Dain and Jinju, leading to speculation that they had left as well. On February 2, it was announced that Dain and Jinju had also filed lawsuits to terminate their contracts, to which the company revealed that the group as a whole were still 500 million won in pre-debut debt. On March 31, Wassup pre-released the track "Dominant Woman" a single part of their third mini-album titled
ColorTV set to be released, on April 13, 2017. On September 12, it was announced Nari and Jiae will be participating on
The Unit. Jiae did not pass the audition stage, while Nari did, and was eliminated on episode 13 of the show, after placing 21st.
2019: Disbandment On February 10, 2019, it was announced by Mafia Records that Wassup had disbanded following terminations of contract. ==Solo activities==