μαψυλάκας
From LSJ
μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
English (LSJ)
[ᾰκ], α, ὁ, (ὑλάω, ὑλακτῶ)
A idly barking, i.e. repeating a thing again and again, Pi.N.7.105: μαψυλάκαν γλῶσσαν (fem.) prob. for μαψυλάκταν in Sapph.27.