A nerd is someone who gets utterly obsessed by a particular topic. I usually bring this up when explaining to a fellow programmer that I'm a nerd but not a gee

A nerd is someone who gets utterly obsessed by a particular topic. I usually bring this up when explaining to a fellow programmer that I'm a nerd but not a geek. I believe this answers your question. Being a self-proclaimed nerd, btilly clearly does, per his definition.