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14.
when you nail your one rep max like its a piece of piss. applicable in other areas of difficulty that have been overcome with ease and style
see that deadlift? - "aaaall day"

guy1 - you really sure you can get the basket ball in the hoop from here!?

guy2 - all day



random guy - you think you can get with mehdi's work buddy?

karl - *grins* .. "all day"

mehdi - stop fucking saying that!
by karl z July 10, 2008
 
1.
means "often"

Mostly used hand in hand with anything that has positive quality.
Do you use marijuana?

All day, every day.
by contagion; September 19, 2009
 
2.
Restaurant slang (kitchen). A request by a line cook to the expeditor (controller of the orders) about the total amount of orders for specific items.
Chef, I need an "all day" on filet mignons.
by Shad June 20, 2004
 
3.
overused and at times annoying response to what day of the week it happens to be
"Is it Wednesday today?"

"Yep, all day."
by holly August 11, 2004
 
4.
gang slang used to say "Okay", but in a sense that they will get it done no matter what.
speaker a:"put that shit in the van tonight"
speaker b:"all day man"
by grand spanka April 01, 2007
 
5.
Term used in prison amongst inmates meaning they're serving a life sentence.
How long you down for?
"all day"
by Dreek January 09, 2010
 
6.
1. Yes
2. Of course
1. "Tyrone, are you going to hit that?"
"All day."

2. "Tyler, are you going to clean the dishes"
"All day."
by Rick Becker December 24, 2009
 
7.
a multipurpose expression generally used by some young african american's of the hip hop culture as another way of saying: i agree,real talk,im glad to hear that,to da fullest etc.

joe:yo i don't have to work so im going to come and pick u up so we can hit up dat party tonight.iight?

rashaad:All day! muh nigga!
by marlon bunche July 24, 2006