look up any word, like blumpkin:
 
1.
1. Money that is in one's pocket and available for discretionary spending.

2. An excuse used in place of the real reason for a decision.
Guy1: Are you going to take your wife to the show?
Guy2: No, I already spent my pocket money on my girlfriend.

HR: Should we go ahead and hire that consultant?
Boss: No. He likes moonlighting for the pocket money.
by Crusty Old Man April 29, 2011
 
2.
When you find money in your pocket that you were unaware you had
I bought this cheeseburger with pocket money.
by jp33 January 29, 2014