Mark

Someone with this name is, by this definition, legally known as a nerd in all countries of the planet recognised as 'Earth'.

Person 1: "What do you think of Mark?"
Person 2: Oh him, he's a total nerd!"

Sercombe

Someone who often speeds and drives over the speed limit, and consequently getting caught and receiving a ticket.
Also used to define someone who would be considered a 'nerd' to a majority of society.

Person 1:"Have you seen Mark's driving?"
Person 2:"Yeah, he's such a Sercombe, isn't he?"