The Collaborative International Dictionary of English v.0.48:

Fuddle \Fud"dle\, v. t. [imp. & p. p. Fuddled; p. pr. & vb. n.
   Fuddling.] [Perh. formed as a kind of dim. of full. Cf.
   Fuzzle.]
   To make foolish by drink; to cause to become intoxicated.
   [Colloq.]
   [1913 Webster]

         I am too fuddled to take care to observe your orders.
                                                  --Steele.
   [1913 Webster]

WordNet (r) 3.0 (2006):

fuddled
    adj 1: very drunk [syn: besotted, blind drunk, blotto,
           crocked, cockeyed, fuddled, loaded, pie-eyed,
           pissed, pixilated, plastered, slopped, sloshed,
           smashed, soaked, soused, sozzled, squiffy,
           stiff, tight, wet]