ita me di ament: a colloquial form of asseveration; cf. Ter. Andr. 947 “ita me di ament, credo;” and similar phrases with iuvare in Catul. 61.196; Catul. 66.18. On the hiatus in arsis see Intr. 86d.
[3] hoc … illud: with this reference of hic to the former and ille to the latter of two items cf. Catul. 100.3.
[5] hoc: referring to os, as in v. 3
[6] ploxeni: explained by Festus to mean a wagon-box (capsum in cisio capsave), and said by Quintilian to be circumpadane (Gallic?) in origin; Quint. 1.5.8 “Catullus ‘ploxenum’ circa Padum invenit” . The comparison here may be of the wrinkled and fissured look of diseased gums to some peculiarity in shape of the ploxenum, or to its wrinkled and split rawhide covering.
[10] pistrino: etc., i. e. relegated to the occupation of the rudest slaves, that of driving the ass that turns the mill.