1 definition by The Jenkernaut

Top Definition
When a womans ass starts to increase in size, but instead of increasing to just be big and nasty, it does something else.
An Ass Bag retains it's upper dimensions, but increases down the leg. It appears to grow out of the upper hamstring region.
To make sure you've seen a true ass bag, just watch it move. You will see the normal ass pieces move accordingly. But the bag will show up in the last portion of the stride(look at the lower butt where it meets the hamstring) as what can only be called...Ass Bags.

The cause of an ass bag is actually the ass starting to lose it's rounded shape. It forms a tear drop and starts dropping down the legs.
http://images.inmagine.com/img/bigcheese/bcp023/bcp023010.jpg

The middle is starting in the process of gaining the status of "Ass Bag Holder" It is only starting the process.

http://pro.corbis.com/images/42-17691853.jpg?size=572&uid={25995690-2E67-409D-A763-1D170743973F}

This version would have ass bags, but she's gained too much weight and now the bag is just her massive backyard.

Picture evidence is not common with this condition.
by The Jenkernaut August 27, 2008

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