If upon sighting a nerdbone, one is to proceed with much caution, as any if hint of politeness-- or what one may call friendship--is hinted at, the nerdbone quickly follows with lengthy conversation, usually involving several math, sports, or some irrelevant science references.
Often seen driving Ford Tauruses, lunching on Jack-in-the-box, and at the grocery store with their mom. Highly proficient in nerdbonics.
Bill: Did you know, that by the laws defined by Cauchy, et al. laid down in the spectacular book " Scientific Knowledge for the Socially Inept", that laser guns...
Tom: Hey, nerdbone, is that your Taurus being towed?