mom tax 

The portion of a food item taken by the parent who purchased the item for the child.

As Mary took three french fries from her son Conner he loudly objected, to which Mary quickly responded "mom tax!"
Can also be used as Dad Tax.

mom tax by meowmixxmeems January 18, 2006

your mom is like a taxi 

Your mom is like a taxi.
Do you know why?
Because I ride her all day.
That's right.

Me: ey ted your mom is like a taxi, no y?
Ted: no y
Me: cuz i ride her all day lololol
Ted: lol fuk u

your mom is like a taxi by Tool Warehouse June 29, 2008