From ' The Hungary Caterpillar' used to convey sarcasm. Can be used when an event goes badly or in response to a undesirable statement.
Example 1:

Some stole my bike. This makes me a sad catapanda.

Example 2:

Tim: "What's with him?"
Jim "Ignore him, hes a sad catapanda at the moment"
by XShadowKratosX August 16, 2010
Get the A Sad Catapanda mug.