From The Collaborative International Dictionary of English v.0.48 [gcide]:
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]
From WordNet (r) 3.0 (2006) [wn]:
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]