Definition from Wiktionary, the free dictionary
Coined as part of an episode of The Cosby Show in 1986.
zerbert (plural zerberts)
- The sound that occurs where someone places the mouth against skin and blows, imitative of the sound of flatulence.
- For usage examples of this term, see Citations:zerbert.
Originally on The Cosby Show back in the 80's. Rudy spelled it ZRBTT.