From German - English Ding/FreeDict dictionary ver. 1.9-fd1:
Sabbel /zˈabəl/ <masc, n, sg>
[Norddt.] [Mitteldt.] trap <n>, chops <n>, jaws <n>, maw <n>, gob <n> [Br.] , mush <n> [Br.] , cake-hole <n> [Br.] , pie hole <n> [Am.] , bazoo <n> [Am.] , yap <n> [Am.] [coll.]
Note: mouth
Synonyms: Maul, Schnabel, Schnauze, Futterluke, Klappe, Fresse, Gosche, Pappe, Schnorre, Latz