Diaowww! Spiders! Get 'em away!!!
Originator of "Diaowww! Spiders! Get 'em away!" which was based on the raving prisoner of a Frankensteinian villain from an early 1960s Hammer Studios horror film. Eventually the phrase was broken into "Spiders! Get 'em away!" and "Diaowww!" which were each used in different situations. TOG (Gary McCammon) evolved "Diaowww!" into the more subtle "Dow," which was spoken flatly to convey ironically understated exasperation towards various situations or people.
For a few years in the mid 80s, "Diaowww!" was widely rumored to have been inspired by dialog from the "Quincy, ME" Punk Rock episode (a must-see item on Youtube) or Todd Browning's "Freaks." However, the Hammer film (title unknown) is the true inspiration.