to take, steal or lose someone's money or investments without a care or apparent concern especially when the sums are by the multi millions or billions.
to "madeoff" with somebody's pensions fund. A pun on Bernie Madoff the world's most notorious ponzi schemer who is accused of losing $50billion of OPM or other people's money.
by vson60 January 11, 2009
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Being ripped off by unscrupulous people, due to

your own complacency and being TOO LAZY to

pull out a $2 calculator. See: Embezzlement
Looks like someone in eBay is doing a "Madeoff":

December "New fees": $14.55
Line Item actual amount: $14.43 (1%)

November "New Fees" = $24.56
Line Item actual amount: $24.31 (1%)

Ebay customer support agrees there is a
computer error, has existed since 2004!

So this particular scam: SIX YEARS!

Grocers do the MADEOFF:
1 gallon milk: $3.98
half gallon: $1.98 (cheaper to buy 2 of these!)

By being a businessman: I do the Madeoff everyday!
by Kill_the_Bill January 8, 2010
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An irritably sarcastic term for someone who spends foolishly/wastefully (money burns a hole in his pocket), habitually fails to repay loans (he made off with the money and nobody ever saw it again), or is otherwise irresponsible with money to a major degree.
Dude #1: I was asked for a loan of ten bucks by Jack Smith; I wondered what you thought of his reliability in paying it back.
Dude#2: Jack Smith?! No way, Buddy --- you don't wanna give **anything** to that moochin' jerk --- he's just a Burnie Madeoff!
by QuacksO February 16, 2018
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