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2.
when you set aside a day to drink from morning until evening. It is best used when a day of the week, such as a Wednesday is set aside, rather than the weekend.
"We should both take off this Tuesday and do a day load!"
by Kevin June 18, 2006
 
1.
the act of drinking all day to achieve a long-lasting state of drunkenness
We often dayload on football Saturdays.
by Geedey September 06, 2007