A race of aliens which have a very low level of intelligence. Commonly thought to be the stupidest creture alive anywhere. If you are called a gasquiggasplorch, be offended because it is among the highest of stupidity insults. First and only mentioned on the show Invader Zim, episode "Abducted".
Purple: So how tall are they?

Zim: Perhaps as tall as YOU, my Tallest.

Red: And somehow -I'm just trying to get this straight here- somehow they're dumb?

Zim: Like the dull-witted Gasquiggasplorch!
by GalaxyDancer April 18, 2005
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