A trimmer is a person who goes to a certain area of the Yorkshire Moors in England, where the craggy rock floor is coated in a thick and velvety moss covering.

The rocks are weathered and worn with age, and have formed deep crevices that are used as a substitute for the female genitalia. Lone walkers can be found face down in the rocks, appearing to sniff the moss, with their gentlemen inserted deep into a soft mossy crevice.

This act of copulation helps to trim the moss and keep it under control. Hence the phrase - “Trimmers”.
Paul is such a trimmer! He was face down on the moors this morning with his pal from the Co-op, Terry Tickler. He’s nothing but a moss sniffing shuffler!
by Jizz Maestro May 7, 2019
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someone who enjoys getting sloshed every night
the boys at the pub are all a bunch of trimmers
by Anonymous August 15, 2003
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A person who works processing marijuana. Plantation owners in california hire people each fall in order to pull and cut all the excess leaf off of the plant to prepare it for sale. A good trimmer may bounce from plantation to plantation earning a few thousand dollars in a few weeks.
I had to fire one of my trimmers because i cought her stealing some buds.
by northhum April 18, 2009
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A person who refines political views to accommodate the prevailing winds; particularly, one who contrives self-serving excuses for political views now generally recognized to have been stupid.
In journalism, the current handwringer-in-chief is the New Yorker writer George Packer, whose book *The Assassins' Gate* has met with high praise from ... a subset of pundits I call trimmers... trimmers criticize ... the foolish president, but avoid unequivocal denunciations of this foolish war.

--John R, MacArthur, "Pro-War Liberals Frozen in the Headlights"
by Abu Yahya January 23, 2009
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A gerbil trimmer is wen a boy/girl shaves their partners pubes while liking them out/sucking them off
Hey sarah go so kinky she gave me a gerbil trimmer
by bloodonthepantyfloor September 28, 2012
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