For the general reader not familiar with American usage and idiom..
The epithet Web uses is considered mild in much of the USA, especially moreso for some raised in rural areas, or demographically by age.
On the other hand, the faintly innocuous ‘boffin’ Web referred to elsethread will cause a storm of blushes to appear on the cheeks of fans of Twilight or Hunger Games if said in the classroom by an adult.
It’s amazing the idioms there are out there.