Ubbi Dubbi is a language game spoken with the English language

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

, and is a close relative of the language game Obbish. It was popularized by the long-running PBS

Public Broadcasting Service

The Public Broadcasting Service is an American non-profit public broadcasting television network with 354 member TV stations in the United States which hold collective ownership. Its headquarters is in Arlington, Virginia....

 television show ZOOM

Zoom (1999 TV series)

ZOOM is an American educational television series, created almost entirely by children, which aired on Public Broadcasting Service originally from January 4, 1999 to June 24, 2005. It was a remake of a 1972 TV series by the same name. Both versions were produced by WGBH-TV in Boston...

. Variations to Ubbi Dubbi include Ob, Ib, Arpy Darpy, and Iz.

Ubbi Dubbi is spoken in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, and works by adding -ub- (ˈʌb) before each vowel sound in a word.

Examples:

• Speak → spubeak  /ˈspʌbiːk/
• Hello → hubellubo  /ˌhʌbəˈlʌboʊ/
• Extra → ubextruba  /ˈʌbɛksˌtrʌbə/
• Mississippi → Mubissubissubippubi
• Ubbi Dubbi → Ubububi Dubububi
• Zoom → "Zuboom"
• "Hi, how are you?" → "Hubi, hubow ubare yubou?" (unpronounced vowels do not have "ub" in front of them)