A Term frequently used to describe gas originated in the human digestive system that had been passed or “filtered” through fecal matter in ones colon.

A combination word of shit and filtered, shiltered.
Oh damn I just shiltered badly”

“Holy cheap smokes bud, smells like somebody shiltered!”

“Who shiltered?”
by Farting carpenters July 16, 2019
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A term used to express annoyance or shock, can be used as an alternative to cursing. When used with a high pitched tone and an elongated vowel can be humourous and mocking. Also used as an insult. Macgee can also be added for effect.
Cowsie: I'm late for next lesson!
Friend: Oh Shiiiiiiiilters!

Man: Oh shilters look what you've done now!

Man: Oops! I dropped your vase.
Friend: Oh you stupid shiiiiilters!

Man: Oh Shilters Macgee!
by Simon Alnaimi December 12, 2007
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To filter through the shit or bullshit.
They were speaking so much bullshit that i needed to apply the shilter.
I had to shilter the information he was giving me.
by Royza80 February 22, 2022
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