Indubil is a slang

Slang

Slang is the use of informal words and expressions that are not considered standard in the speaker's language or dialect but are considered more acceptable when used socially. Slang is often to be found in areas of the lexicon that refer to things considered taboo...

 spoken in the Democratic Republic of the Congo

Democratic Republic of the Congo

The Democratic Republic of the Congo is a state located in Central Africa. It is the second largest country in Africa by area and the eleventh largest in the world...

. It has been noted since around sixties - musician Sam Mangwana

Sam Mangwana

Sam Mangwana, born February 21, 1945, is a Congolese musician, born to a Zimbabwean migrant father and an Angolan mother. He is the frontman of his bands Festival des maquisards and African All Stars....

 mentions its use in lyrics before the seventies. Indubil was originally rooted in Lingala but in its continued evolution it has given birth to Kindubile, the youth language in Katanga which uses Swahili

Swahili language

Swahili or Kiswahili is a Bantu language spoken by various ethnic groups that inhabit several large stretches of the Mozambique Channel coastline from northern Kenya to northern Mozambique, including the Comoro Islands. It is also spoken by ethnic minority groups in Somalia...

 as its matrix language.

As of 2010, Indubil is a lively slang

Slang

Slang is the use of informal words and expressions that are not considered standard in the speaker's language or dialect but are considered more acceptable when used socially. Slang is often to be found in areas of the lexicon that refer to things considered taboo...

and continues to evolve.