Definition of manavilins in English:
manavilins
noun məˈnavlɪnzməˈnavɪlɪnz
Nautical slang Treated as plural. Scraps of food, leftovers; titbits; (more generally) odds and ends, supplementary materials.
Origin
Mid 19th century. Origin uncertain. Probably related to manarvel, and perhaps originally the plural of a verbal noun in -ing.