Just to clarify… "asshole" is not a word we use in our family– unless you count words thought but not spoken while driving– and not one that Isaac has ever heard. He really was saying gas hole in complete and touching innocence of its sound-alike kin. We're pretty good about keeping the language around here G-rated, at least since Isaac was in the picture. I checked his views on "ass" and found only "a kind of donkey?" (from Shrek, I think). Butts and Poop and farts are nearly constant sources of mirth and commentary, I should add. It's just all in more kid-friendly terms.
and the winner is: gasoline filler pipe! submitted by my uncle robert. this is the correct term for the gas hole. you need to know this! it will come in handy someday! (just like physical clutter I advocate hanging on to such informational clutter also) a close second: gasoline filler tube! submitted by our friend dean who is a car nut. so now we know…