Definition of ganch in English:

ganch

(also gaunch)

noun

Northern Irish
informal
  • A foolish, awkward, or clumsy person.

    ‘I don't know what she sees in that big ganch’
    • ‘Out of good manners, I would hesitate to label him an ignorant ganch.’
    • ‘"Be careful with that you big ganch", a woman shouts.’
    • ‘No matter how tall I grow I'll still have to look up to you, you big lanky ganch.’
    • ‘I wasn't talking to you, ya big ganch.’
    • ‘If you ring them, you'll hear Greensleeves for three hours or—worse—you'll get some wee ganch who's obviously only there because there was no place else to put them.’

Origin

Early 18th century (in the verb sense ‘to snap or snarl’): originally Scots, of imitative origin.

Pronunciation

ganch

/ɡɑːn(t)ʃ/