As a prank, the friend he was staying with signed him up for an audition for Raja Lawak (King of Comedy), a Malaysian television reality show that searches for comedic talent.

[4] After several weeks of competition, Nabil won the second season of Raja Lawak, which brought him to prominence as a comedian.

[1] As an actor, Nabil played roles in the comedy films Pisau Cukur (2009), and Berani Punya Budak (2012) as well as in the later dramas Geng Bas Sekolah (2013) and Bila Kau Datang (2015).

He says that being a comedian involves a lot of pressure, being "expected to go up on stage and make people laugh immediately.

[2] He has also hosted episodes of the related annual entertainment awards show Anugerah MeleTOP Era.

[3][8] In 2017, Nabil began to look for business opportunities outside of personally entertaining, so as not to depend on that as a sole source of income.