Top definition
The member of the family who everyone else has to borrow money from. This person has disposable income because he or she made all the right choices in life.
Joe: Why are you using your credit card? Is everything okay?

Tom: I let my mom borrow $200 last week. My brothers also owe me $300 each.

Joe: Family ATM?

Tom: Yep.
by 2014_chiguy August 19, 2013
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