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Simultaneously "fiendish" and "weasel-like". Something outwardly weak yet possessed of inner malice or slyness. Feeble yet nasty.

Famous examples of wiendishness: Ben Linus (goggle-eyed bad guy of TV show "Lost"), Gollum
"So you've grown a wispy little beard and now your cracking on to your mate's bird? Wiendish on all counts, buddy"

by Frankie Wordsmith November 29, 2007
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