Well, you ignited my curiosity, heres what i found:
lazy - definition of lazy by the Free Online Dictionary, Thesaurus and Encyclopedia. procrastination - definition of procrastination by the Free Online Dictionary, Thesaurus and Encyclopedia.
So, the answer is "sometimes". You can be lazy but thats not the only posible reason, there may be lots and lots of other reasons to procrastrinate like lack of focus, lack of knowledge, insecurities, limiting beliefs, etc etc, personaly i had a procrastrination problem, im still working on it, but EFT has helped me to become more and more productive each day, if you are kind of lazy or have procrastrination problems i sugest you to use EFT, the link is at my signature, aslo visit
Tapping.com - Free EFT Videos - Emotional Freedom Technique, check this articles too
Using EFT for Procrastination i hope that helps, good luck.