1) Someone who consumes feces for sexual arousal.

See Rush Limbaugh
For someone who will never get laid, Dan certainly is the biggest scat muncher I know!
by Kaworu June 30, 2004
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One who finds nothing finer than the pleasure gained from eating faeces
by Bazil July 30, 2004
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Consumer of arse nuggets, eater of cakes cooked in the mud oven.
You see that Michael Barrymore? He's a scat muncher he is.
by Rees October 20, 2004
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