fud ‧ dle /ˈfʌdl/ BrE AmE verb [transitive] British English informal
[ Date: 1500-1600 ; Origin: Perhaps from Low German fudeln 'to work carelessly as if drunk' ]
if something, especially alcohol or drugs, fuddles you or your mind, it makes you unable to think clearly
—fuddled adjective :
her fuddled mind