Meaning of mardarse in English:

mardarse

Pronunciation /ˈmɑːdɑːs/

noun

informal Northern English, Midlands English
  • A sulky, petulant, or grumpy person.

    • ‘he is just a mardarse who doesn't like being taken away from his food’

Origin

Early 20th century probably originally from dialect marred (from mar), describing a spoilt, overindulged, or badly behaved child, + arse, though in later use frequently associated with mardy arse.