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1.
Americans who pay no federal income tax because they are at an income level that is below the tax line (after deductions and credits).
Who are these lucky ducky? They are the beneficiaries of tax policies that have expanded the personal exemption and standard deduction and targeted certain voter groups by introducing a welter of tax credits for things like child care and education. When these escape hatches are figured against income, the result is either a zero liability or a liability that represents a tiny percentage of income. - Wall Street Journal
de Miles O'Toolebox 8 mars 2011
 
2.
when one takes a shit and because they are extremely lucky they realize they don't have to wipe.
oh sweet, i wiped and their is no shit on the tissue.
de tony 8 mars 2005
 
3.
A phrase used in the godawful 4kids dub of one piece.
best used in a serious tone
"Karoo was a lucky ducky"
de huh? meh... 13 avril 2008
 
4.
Someone who has an Emo Fringe, and waves it about a bit.
Lucky Ducky has an Emo Fringe but is not actually Emo himself... :O
de Bill Baily 14 avril 2008