look up any word, like sparkle pony:
Purposely decrease the quality of a product to make it seem like you actually made it.
Him: Why you mad bro?
You: I am way to many assignments behind!
Him: That sucks bro, want the English essay due last Thursday?
You: Most def bro - You are the man!
Him: No problem! Just remember decreaseifying it.
You: You know it!
by KIA-- April 10, 2011