English VERB.
Portmanteau made from 'wrinkle' and 'bunch', wunch means what happens to material when someone moves about on it, bunching it up,
pulling on it, and leaving wrinkles. Hair, sheets, dresses, curtains, and so on can be 'wunched'. Has the same sound as 'wonder'. Rhymes with PUNCH and CRUNCH.
NOT related to the
collective plural word for a group of bankers: a '(wunch (rhymes with bunch) of bankers'
NOT related to wunsch which is German.