doxy /ˈdɒksi/noun 5forms 1phrases 1 noun5 •An aggressive creature similar to a fairy."Yeah, but she doesn't usually actively sabotage you." "No worries. I'm used to doxy fairies" — 2010 •(informal) Clipping of doxycycline.I know one patient who couldn't take the tabs but could tolerate liquid doxy. — 1996 •(informal) A defined opinion.Orthodoxy is my doxy; heterodoxy is another man's doxy. — 1759 •(informal) A dachshund. •(no longer used) A sweetheart, a prostitute, a mistress or kept woman.Do you think the writer of Antony and Cleopatra, a passionate pilgrim, had his eyes in the back of his head that he chose the ugliest doxy in all Warwickshire to lie withal? — 1922 formsdoxies Phrases with doxy arch doxyThe head of a gang of female canters or gypsies.