The wino's poor befuddled mind. A mind befogged with drink.
source: WordNet 3.0
perplexed by many conflicting situations or statements; filled with bewilderment
Obviously bemused by his questions. Bewildered and confused. A cloudy and confounded philosopher. Just a mixed-up kid. She felt lost on the first day of school.
source: WordNet 3.0
confused and vague; used especially of thinking
Muddleheaded ideas. Your addled little brain. Woolly thinking. Woolly-headed ideas.