Acronym for FOG OUT OF MOUTH in winters, when you can see your breath as vapor.
Megan: Hey! Is it winter yet?
Daniel: I am Fooming already! Must mean winter's here!
by junglee_janwar May 13, 2015
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Foom is the sound that's made when your head explodes, like if someone's using too many sexual innuendos in a conversation on MSN.
1: I used a 10 foot pole to get that fish from the canal.
2: *foom*

His head hath just exploded.
by Bud von Rapier August 1, 2006
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The act of using your foot as a broom because you are too lazy to go to the closet to get a real broom to sweep something up.
I foomed the crumbs off to the side.

This floor looks dirty here. I think I will give this a quick foom.
by thestoneworker April 28, 2014
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elissa, cool, a nice sound.
fiona apple is coming out with a new album. foom!
by jess October 24, 2004
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its like room but foom sounds cooler
lol Augustmy best friend made it up=
me (10:34:12 PM): what sup?
August (10:34:29 PM): nothing just sitting in my foom
me(10:34:39 PM): haha foom
August (10:34:59 PM): my bad room but foom sounds cool
by Brieanna Sue Fought April 27, 2008
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originally was just a term scarsly used to mean a room or house with weapons attached.
I went to foom 2 just this morning
by Cpt. NMV June 7, 2003
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giant pube afro
when you never shave
*Jordans foom foom was the biggest thing mary had ever put her mouth on*
by MrSushiLober February 2, 2017
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