ganch
/ɡɑːn(t)ʃ
/(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.
- "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.