Mjulubeng is a sheng word for a penis.This is a common name used by Kenyans when they are referring to a male sexual organ.
If you hear someone saying,”mjulubeng”,know that he is referring to a penis.
The word is commonly used by youths aged between 15 and 30 and it originated from Nairobi slums. In a conversation, they regularly use the word when they want to confuse the elderly.
Now you know.