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]

The Collaborative International Dictionary of English v.0.48:

Fuddle \Fud"dle\, v. i.
   To drink to excess. [Colloq.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

fuddle
    n 1: a confused multitude of things [syn: clutter, jumble,
         muddle, fuddle, mare's nest, welter, smother]
    v 1: make stupid with alcohol [syn: befuddle, fuddle]
    2: consume alcohol; "We were up drinking all night" [syn:
       drink, booze, fuddle]
    3: be confusing or perplexing to; cause to be unable to think
       clearly; "These questions confuse even the experts"; "This
       question completely threw me"; "This question befuddled even
       the teacher" [syn: confuse, throw, fox, befuddle,
       fuddle, bedevil, confound, discombobulate]

Moby Thesaurus II by Grady Ward, 1.0:

118 Moby Thesaurus words for "fuddle":
   Dutch courage, a high, addle, addle the wits, amaze, baffle,
   ball up, bamboozle, beat, becloud, bedazzle, befuddle,
   befuddlement, besottedness, bewilder, bewilderment, boggle,
   booze up, boozify, bother, botheration, buffalo, bug, chaos, cloud,
   confound, confuse, confusion, crock, daze, dazzle, discombobulate,
   discombobulation, discomfit, discomfiture, discompose,
   discomposure, disconcert, disconcertion, disorder, disorganization,
   disorganize, disorient, disorientation, distract, disturb,
   disturbance, drunkenness, embarrass, embarrassment, entangle,
   floor, flummox, flurry, fluster, flutter, fog, frenzy, fuddledness,
   fuddlement, fuss, get, hangover, haze, inebriation, inebriety,
   insobriety, intoxication, jumble, katzenjammer, keep in suspense,
   lick, maze, mess, mist, mix up, moider, morning after, muddle,
   muddlement, mystify, nonplus, overtake, perplex, perplexity,
   perturb, perturbation, pickle, plaster, pollute, pot-valiance,
   pot-valor, pother, pucker, put out, puzzle, raise hell, rattle,
   ruffle, shuffle, sottedness, souse, stew, stick, stone, stump,
   swack, sweat, swivet, throw, throw into confusion, throw off,
   tipsify, tipsiness, tizzy, unsettle, unsettlement, upset