What is "after saturday comes sunday"

phr. 1 (&lit after Saturday comes Sunday English) 2 (context rare politics English) (non-gloss definition: A phrase sometimes attributed to fundamentalist Muslims, implying that they wish to kill the Jews, whose sabbath is Saturday, and then the Christians, whose sabbath is Sunday.)

After Saturday Comes Sunday , lit, 'When Saturday is gone, one will find Sunday', is a It has been documented in Egypt and Syria- Lebanon, in the form: sállẹf ẹs-sábt bẹtlâqi l-ḥádd qẹddâmẹk ('Loan Saturday (out), and you will find Sunday before you'), as meaning "the good or bad you do comes back to you",

In the Arabic speaking Maronite community of Lebanon, the proverb has been current in the sense that Muslims will do away with Christians after they have dealt with the Jews. Israeli folklorist Shimon Khayyat has stated that the proverb, in the sense of "Since the Jews are now persecuted, it is as inevitable that the Christians' turn will come next as it is that Sunday will follow Saturday," has a wider distribution with variants in both Iraqi and Egyptian Arabic. This more recent usage of the proverb is attributed to Christian Arabs expressing a fear that they might share the fate that befell Jews during the Jewish exodus from Arab and Muslim countries. It is often reported to be in use among certain Muslims as a slogan to threaten local Christian communities.