A derrivative of "geezer" (as in old geezer) and geek used to describe any "old" person engaging in nerdy activities
"Oh man, my dad is such a geexor! He just spent all night forging a xena costume"
"Man your a geexor, who the hell cares if emacs or vi rocks the most"
"I like to download Dynasti episodes online... im what you call a geexor"