Motorcycle guru

Someone important to the motorcycle hierarchy.

I know a good motorcycle guru. Ask her anything about motorcycles, she knows everything there is to know about them. She has read all the brochures and something about it makes her feel tougher, so she started calling people pal even though she never talked that way as a kid, and it's weird when you hear somebody start talking weird in their 30s. It would be like somebody who tried to keep everybody around them from cursing or using language that didn't come from a Disney film or show most of the time suddenly talking like a badass.