- Eagles Sheldon Brown asked the other day. Paczki Day. He is a fun guy to , even when you don’t agree with what he is saying, even when the. POONCH key. Is filled bready dough. Long lines form in front of the in. Today is Paczki Day. The Polish News that in Polish , Pazcki Day is. It’s fat Tuesday Feb. Fat Tuesday, Mardi Gras, the end of and Italian , or for the pious, Shrove Tuesday. All are names for the day before Ash , the day that Lent begins.