When a person's ass is so big and they go to sit in an arm chair all they can do is lean on the arms, faking sitting down.

Derived from Jabba the Hutt and the Leaning Tower of Pisa.
It's a good thing that the chairs in the lobby are lashed together and full of people, if they weren't that chick doing the jabbapisa would scoot across the room.
by izzafartsmeller August 18, 2011
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