Procrastefficient 

Adj - Having the ability to wait until the last minute to do something important, yet still being able to complete it with high quality.

Jim: I put off that book report until last night but I did it and still got a 100.

Jill: Wow Jim, you're really procrastefficient.

Procrastefficient by Noah A. Hoback October 30, 2007

Procrastifficient 

Performing the art of procrastination in the best possible manner, with minimal waste of effort and expense.

Properly utilized, the subject will feel oddly fulfilled and slightly drained, yet will not have accomplished anything of import.

A portmanteau of "Procrastination" and "Efficient".

I write unnecessary Urban Dictionary entries whilst simultaneously Facebooking and surfing Reddit, in order to be as procrastifficient as possible.

Procrastifficient by omnom chomsky January 17, 2013

procrastefficiency 

the ability to optimize your procrastination, by putting things off to times that allow you to do several things at once

I really need carpet shampoo to clean the cat poop, but it's much better procrastefficiency to get it when I meet my girlfriend at the mall tomorrow.

procrastefficiency by groovalisciousful September 3, 2012