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2. iyup
Based on yup, or "yes", it was used by rappers in the early part of the 21st century. See it today in the videos such as "Yin Yang Twins - What's Happenin'", etc.
fatjoe: eh yo nigs waddup, les go check out de clubs t'night.
P.Diddy: iyup!
1. iyup
Based on yup, or "yes", it was used by rappers in the early part of the 21st century. See it today in the videos such as "Yin Yang Twins - What's Happenin'", etc.

Note - This was posted by me (burgandyB) on Nathanmx's urbandictionary account. I retain credit for defining the word.
fatjoe: eh yo waddup, les go check out de clubs t'night.
P.Diddy: iyup!