From WordNet (r) 2.0 (August 2003) [wn]:
flyblown
adj 1: spoiled and covered with eggs and larvae of flies; "flyblown
meat"; "a sack of maggoty apricots" [syn: maggoty]
2: foul and run-down and repulsive; "a flyblown bar on the edge
of town"; "a squalid overcrowded apartment in the poorest
part of town"; "squalid living conditions"; "sordid
shantytowns" [syn: squalid, sordid]
3: especially of reputation; "the senator's seriously damaged
reputation"; "a flyblown reputation"; "a tarnished
reputation"; "inherited a spotted name" [syn:
besmirched, damaged, spotted, stained, sullied,
tainted, tarnished]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Flyblown \Fly"blown`\, a.
Tainted or contaminated with flyblows; damaged; foul.
[1913 Webster]
Wherever flyblown reputations were assembled.
--Thackeray.
[1913 Webster]