'Techy' definitions:

Definition of 'techy'

From: WordNet
adjective
Easily irritated or annoyed; "an incorrigibly fractious young man"; "not the least nettlesome of his countrymen" [syn: cranky, fractious, irritable, nettlesome, peevish, peckish, pettish, petulant, scratchy, testy, tetchy, techy]

Definition of 'Techy'

From: GCIDE
  • Techy \Tech"y\, a. [From OE. tecche, tache, a habit, bad habit, vice, OF. tache, teche, a spot, stain, blemish, habit, vice, F. tache a spot, blemish; probably akin to E. tack a small nail. See Tack a small nail, and cf. Touchy.] Peevish; fretful; irritable. [1913 Webster]