Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
punch-drunk [ˈpʌntʃdrʌŋk] (BRIT) adj (confused) со сму́тным
punch-drunk boxer боксёр с травматологи́ческой энцефалопа́тией
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.