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Fanny = vagina
Rimmer = when circleing your tounge over anothers body parts
When you circle your tounge over a womans vagina there. Can be other sorts of rimmers eg anus rimmer, titty rimmer etc
"Hey geuse what i dont with lucy last night"
"eww shay your just a fanny rimmer"
by unimermaid June 22, 2014
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