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Webster 1913 Edition

Adj.

Vexatious; troublesome; tormenting;

as, a

plaguy

horse

[Colloq.]

Also used adverbially;

as, “He is so

plaguy

proud

.”

Shak.

Adj.

Vexatious; troublesome; tormenting. [Vulgar.]

plaguy ‎(comparative plaguier, superlative plaguiest)

Causing annoyance or bother, irritating
- 1851, Herman Melville, Moby-Dick, Chapter 18
  He got so frightened about his plaguy soul, that he shrinked and sheered away from whales, for fear of after-claps, in case he got stove and went to Davy Jones.
- 1950, C. S. Lewis, The Lion, the Witch and the Wardrobe, Collins, 1998, Chapter 10,
  “If you hadn’t all been in such a plaguey fuss when we were starting, I’d have brought some pillows,” said Mrs. Beaver.