Top definition
Somebody who is generally unpleasant to be around. Usually cranky, negative, extremly opinionated and basically a total bore.
I am not inviting Barbara to my party! She is such an old bag of gas

or

Get off my front porch you old bag of gas!

or

Abby got an F on her test. What an old bag of gas
by Penny Parrot June 16, 2010
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Cleveland Steamer Plush

The vengeful act of crapping on a lover's chest while they sleep.

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