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

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