Definition of louser in English:

louser

noun

Irish
informal
  • A mean, unpleasant, or contemptible person.

    • ‘Why am I having this problem and how can I prevent it and how can I report these lousers?’
    • ‘Then there was the louser who promised playing gear to a club, provided it managed to get his picture in a local newspaper presenting the kit.’
    • ‘‘To one of the officers from a particularly inefficient Unit who asked for arms, Mick, with a scowl on his face, his hands deep in his pockets, his right foot pawing the ground, shot back, ‘What the Hell does a lot of lousers like you want arms for?’

Pronunciation

louser

/ˈlɑʊsə/