The word marklar stems from an alien race named the Marklars, which appeared in an episode of the animated series South Park. The Marklars use the word marklar as a generic word, similar to a pronoun, that can refer with specificity to any thing, place, person, idea, concept, or otherwise represent the meaning of any noun, including proper nouns.
Marklar: "You see, young marklar. Those marklars don't care about marklar marklar. They just want to take your marklar and marklar their own marklar. The only marklar for this is to marklar."
n. Created by Matt Stone and Trey Parker of South Park, it is used by the aliens of the planet Marglar in replacement of nouns. They refer to everything as "marglar". They are still able to understand eachother with the peculiar terminology.
The Christian population on Earth is attempting to raise money to build a rocket ship and fly to planet Marglar so they can convert them.
Alien- "Hey marglar, im going to take my marglar and stick it up your marglar."
-or-
"How about we run down to the marglar and pick up some marglar for marglar."