Procrastination purchase

A procrastination purchase, is a an unnecessary purchase of an item for the sole purpose of deviating from a set task or assignment.

Procrastination purchases generally involve online shopping.

I'll take a quick break from my assignment because I really need a new pair of jeans.

*Two hours and 150 dollars later*

Well that was a procrastination purchase, I should really do this essay, it's due tomorrow...