סְחִ֧י וּמָא֛וֹס תְּשִׂימֵ֖נוּ בְּקֶ֥רֶב הָעַמִּֽים׃ (ס)
Como escória e refugo nos puseste no meio dos povos.
Tze'enah Ure'enah
“Despicable” [3:45]. You have made us despicable and a mockery among the gentiles.
Rashi
Spittle, abominable. This is mucus; in the language of the Mishnah, “his phlegm and his mucus,”34Maseches Bava Kama 3b. which is drawn out through the lungs and emitted through the throat.