A 'sister'. A close friend, who has become so via the internet, that is basically like family.

Someone who means a helluva lot to another.
"Say, Lora, who's your Goombah?"

"Why, my Goombah is Clare."

:)
by PoisonedHope June 7, 2005
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A tumor seen on medical imaging, usually chest x-ray or CAT scan.
"He's got a bunch of goombahs on his chest film, which probably explains his recent weight loss."
by Slithy Tove March 20, 2005
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see Sardell, Stephen
Jesus Christ, Steve! dont be such a fucking goombah!
by G. M. April 5, 2005
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someone who is embraces their Irish heritage a little too much..
look at her, she’s such an irish goombah.
by avery1026 July 20, 2021
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When your Italian friend says some dumb ass shit.

(Can be used on none Italians as a comparison as well)
Ex:

Tony: Hey if the world is round, then how come our maps are flat?

That is a goombah moment.
by That big WOP August 17, 2021
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