Bewildered, confused; used to refer to something you don't understand and have no explanation for. Example: I talked to a couple of my friends who have flying services, and they're just bumfuzzled, said Jimmy Ervin... (actual quote from an AP news item, found here http://www.salon.com/news/wire/2001/10/23/cropduster/index.html)
BUMFUZZLED
Meaning of BUMFUZZLED in English
Slang English vocab. Английский сленговый словарь. 2012