by Hazz_DR July 06, 2009
A Northern English term of abuse and endearment all in one. A mashup of Bellend and Retard: used to overtly emphasise that an individual is completely stupid.
"Numbnuts got lost on the way to the bar, again". "yep, he is a complete and utter Belltard: Thick as shit".
by GittyCottage December 07, 2016