Fictitious name given to a person or object with intention to catch a dimwitted individual with a joke that everyone around will laugh at but the n00b will not understand.
Prankster: "Hey Gunther, have you met Deanda?"
Ignoramous: "Deanda who?"
Pranster: "Deanda my d**k"
Or
Jack: "Hey sweetheart, what's your name?
Alexa: "Hihi, you now my name Jack, don't be silly."
Jack: "Well have you met my close friend Deanda?"
Alexa: "I know so many Deandas; Deanda who?"
Jack: "Deanda my d**k!"
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