Top Definition
phrase. In My Fucking Opinion.

A slang derivative of IMO, usually used with anger.
Guy 1: Computer games are for fags.
Guy 2: You need to shut the fuck up, IMFO
by Shifty Eyed Goat July 15, 2004

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Also IMFO or imfo, could stand for either "I'm fucking original" (usually used in a sarcastic or mocking fashion) or "In My Fucking Opinion" (usually tacked on at the end of a sentence).
Fag: Check out my Sonic recolor.
Queer: Oh, ImFO.

Nancy Pelosi: We need to work toward the goal of equalizing income in our country and at the same time limiting the amount the rich can invest.
Thinking Man: We need to work toward shutting you fucking mouth, IMFO.
by Fuck Shit Piss February 27, 2008

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.

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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.

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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
Also IMFO or imfo, could stand for either "I'm fucking original" (usually used in a sarcastic or mocking fashion) or "In My Fucking Opinion" (usually tacked on at the end of a sentence).
Fag: Check out my Sonic recolor.
Queer: Oh, ImFO.

Nancy Pelosi: We need to work toward the goal of equalizing income in our country and at the same time limiting the amount the rich can invest.
Thinking Man: We need to work toward shutting you fucking mouth, IMFO.
by Fuck Shit Piss February 27, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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.

Buy the mug

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