What does "flusher" mean?

Agent noun of flush: one who flushes.

What is a synonym for "flusher"?

Common synonyms include: blush, bang, bloom, blush, even, sluice.

noun

noun ·Rare ·Advanced level

Noun

1
Agent noun of flush: one who flushes. agent, form-of
"Be prepared for an increase in your water bill from the frequent flusher who likes the sound-and-water show at the pull of the handle."
2
The mechanical part of a toilet that causes the toilet bowl's contents to be sucked down the drain.
3
A worker for a political campaign who encourages voters to vote on Election Day. US
"Each flusher is typically paid $20 to $50. Fleets of cars, buses, and other vehicles are also at the ready to ferry voters to and from the polls."