σόλοικος · soloikos — LSJ
speaking incorrectly, using broken Greek, φθόγγος Anacr. 79; οἱ σόλοικοι foreigners, Hippon. 46; βάρβαρον ἢ σ. τι M.Ant. 1.10.
metaph., erring against good manners, awkward, in bad taste, τῷ τρόπῳ X. Cyr. 8.3.21 (Comp.), cf. Arist. Rh. 1391a4, Cic. Att. 14.6.2, Plu. Praec. 2.817b; σολοικότερον, c. inf., it would be clumsy, absurd, Hp. Fract. 15. Adv. -κως rudely, σ. κεκομμένοι, of coins, Zeno Stoic. 1.23. (Said to come from the corruption of the Attic dialect among the Athenian colonists of Σόλοι in Cilicia, Str. 14.2.28, D.L. 1.51.)