1. Forget about it - the issue is not worth the time, energy, mental effort, or emotional resources.

2. Definitively "no."

3. The subject is unequivocally excellent; further thought and analysis are unnecessary.

Often heard spoken by Robert De Niro, characters on the Sopranos, and people trying to sound hip and tough like a goomba.

There are many spelling variations. The consensus online is that it should be phonetically either "fu-ge-da-boud-it" or "fu-ge-da-bout-it."
1. So they killed your brother's fiancee. Listen to me: fuhgeddaboudit.

2. You ask me once, I say fuggedaboudit, end of discussion.

3. Over there she got the best rigatoni in New Jersey. And the hot pastrami? Fuggedaboutit!
by vanilla g-lotto December 29, 2005
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Looking for the official spelling? Forget about it.

Consensus is definitely for "fuhgeddaboudit." But at least 53 different spellings can be found on the web. As of December 2004, here are the top ten...
spelling -- (google hits) -- (nytimes.com hits)

fuhgeddaboudit (82200) (20)
fuggedaboudit (6760) (14)
fuggedaboutit (6040) (4)
fuhgeddaboutit (5770) (35)
fuggetaboutit (3760) (0)
fuhgetaboutit (3430) (2)
fuhgedaboudit (2530) (8)
fahgetaboutit (2470) (0)
fugedaboudit (2240) (0)
fugetaboutit (2010) (0)
by vanilla g-lotto December 29, 2005
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Person1: Aren't you going to watch the game?

Person2: I have too much work, so fuhgeddaboudit.
by PoopyMaster November 13, 2003
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Most common spelling of the most informal, somewhat endearing sense of "forget about it."
Google hits May 2005:

Fuhgeddaboudit - 61,200
Fuggedaboudit - 8,180
Forgetaboutit - 7,440
Fuggedaboutit - 6,800
Fuhgedaboutit - 1,890
Fugedaboudit - 2,150
Fugedaboutit - 806
Fuhgetaboutit - 747
Fuhgedaboudit - 605
Forgedaboudit - 662
Fahgedaboudit - 512
Fuhgetaboudit - 358
Fagedaboudit - 300
Forgedaboutit - 278
Fagedaboutit - 248
Forgetaboudit - 217
Forget about it - 579,000

Source: Comparative Spelling Project
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