Dolly Varden is the staple catch. To a point that, after two days, we find ourselves feeling guilty trying to shake them free from our fly or giving plenty of slack in the hope that another Dolly finds early freedom. […] Often the biggest challenge of hooking a big trout is avoiding Dollies. 2017 November–December, Dean Oelschig, “Kamchatka: 61 Hours from Jo'burg”, in The Mission: The Cult of Fly Fishing, number 6, pages 54–55:
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Dollies
Number=Plur
lexicographic
Dolly en · PROPN
Meanings
A diminutive of the female given names Dorothy, Dolores, and Doris.
Her name is Dorothy, though everyone has always called her Dolly. I do not know why, for there is nothing doll-like about her. She is a large, vigorous woman with the broad face and heavy hair of a tinker's wife. 1989, John Banville, The Book of Evidence, page 41: