An exlamation of extreme frustration or rage, usually used when the user has trouble coming up with a word that adequately describes said frustration or rage.
This expletive first appeared in the film "A Christmas Story", when, upon discovering that the plastic leg-lamp he won at the bowling alley had been broken, Ralphie's father shouts "Nadafinga!" after failing to find a word that would adequately express his immense frustration.
A very special person, Caring loves to see others happy, she's the source of joy wherever she is. If you have a Nakayiwa in your life, hold onto her and never let go no matter what, she loves whole hearted, never lets her friends down. She's a very shy person but bold when surrounded by familiar people.