Battery Bank 

An extra bill of higher denomination set aside for emergency funds. usually stored under the battery of a cellular phone.

I was running low on cash and had to float on my battery bank until payday.

Battery Bank by Dr,Watson August 14, 2010

Double Battery Bank 

Most commonly used in combination with the Battery Bank. However the Double Battery Bank includes an extra bill of higher denomination set aside for emergency funds that is stored between the phone and its cover.

Friend 1: "Damn, I only put $10 in my Battery Bank. I don't have enough cash to go with you guys."

Friend 2: "Don't forget about your Double Battery Bank! I just saw you put $20 behind your phone case yesterday!"

Double Battery Bank by ssimyllom August 31, 2010

baby batter bankruptcy

v: when you go to cum in a girls face, but have been so sexually depleted that you end up antiqueing her in stead.

Shiela counted on Brad's baby batter bankruptcy in order to replace the spilled ashes of her dearly departed uncle Sal.

baby batter bankruptcy by Muffington P. Weathersby April 29, 2008