A negative adjective describing a person, whom is usually lumpy. It can also be used as a noun.
Did you see that lumpster woman who exited the elevator?

That lumpster just fell down the stairs.
by Lumberjack March 22, 2003

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Top Definition
lumpster can also be used affectionately as a nickname as an alternative to lumpy
One friend says to the other "Hey Lumpster, don't you have a graphic design project due tomorrow?"
by Lumpster December 13, 2004

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt