One who fratches; a person prone to quarreling, arguing, or grumbling constantly.
Agent noun formed from 'fratch' with the -er suffix, following standard English patterns for creating words describing people who perform certain actions.
A 'fratcher' is a delightfully specific social type—every community knows someone who's a dedicated complainer, and having a single word for them (even dialectally) is both efficient and affectionate in a British way!
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