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That turd you do that's so heavy it disappears round the u-bend under its own gravity without you having to flush it.
Antonym of unflushable
Kevin's 6 pound self-flusher landed so loudly in the pan the splash woke his deaf grandma.
by king of turds September 08, 2008

Words related to self-flusher

unflushable shit steamer toilet turd