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’
    • ‘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.’
    • ‘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.’

Origin

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

Pronunciation

ganch

/ɡɑːn(t)ʃ/