μηδὲν κοτυλίζειν, ἀλλὰ καταπάττειν χύδην → not to sell by the cupful, but to dole out indiscriminately | not to sell by retail but wholesale
adv.
Use P. μετὰ παιδιᾶς. παιδικῶς, or use P. and V. part. παίζων.