Definition of mollag in English:

mollag

(also mullick, mullog, mollick)

noun

British Regional, Manx English
  • An inflated dog's skin used as a float for fishing nets. "as empty as a mollag": completely empty. "as full as a mollag": extremely drunk.

Origin

Late 19th century. From Manx mollag.

Pronunciation

mollag

/ˈmɒlaɡ/