1 definition by bettybuttstink

Top Definition
The nickname given to a brother or sister in a family a four siblings who makes all of their decisions regarding any expense for their elder parents in light of the cost being divided by four and deducted from their future inheritance.
"Mom had to go to the hospital in an ambulance...I sure that will piss off D-4! That's probably at least $ 200.00 deducted from her inheritance!""
by bettybuttstink December 17, 2009
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