Insult based on speculations about someone's poor genital hygiene. Like pancetta, it works wonderfully well in all sorts of contexts. Even fucking as an adjective doesn't do it justice.
usage (noun)
A title claimed by many have-been hollywood types, wannabe doctors, and your regular garden variety hollywood "fitness" guru. There is no legal definition therefore allowing any charlatan to use it. Normally used to imply that the person has some knowledge on the science of biochemical reactions which occur in energy expenditure and metabolism as an organism converts food into usable energy-but notice they never use R.D. after their name, as they would be prosecuted for impersonating real scientists.
"Are you a nutritionist?"
"No, I'm a Registered Dietitian"
"what does that mean?"
"I have a degree in biochem and clinical training in the field in addition I don't wear spandex on TV"
A God among men, this title describes one who has achieved the pinnacle of getting a nut. In order to be deemed a nutzilla, one must nut, or ejaculate, 12 times in a 24 hour period. The presence of a nut witness is not required, but desirable.