drain the basket
To get something from someone without giving him anything in return.
Person A: Do you have the trading cards you promised me?
Person B: Yes.
*gives trading cards to Person A*
Now give me the stickers you promised me.
Person A: Nope!
*runs away*
Person B: I should have known that he would drain the basket!
Person B: Yes.
*gives trading cards to Person A*
Now give me the stickers you promised me.
Person A: Nope!
*runs away*
Person B: I should have known that he would drain the basket!