A synonym of the "F-word." Used in a few Battletech novels and fiction.
What the malf are those mechs doing there????
by Molos May 4, 2005
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I fucked my gf and now my cock is malfing!

My stupid keyboard is malfing hardcore!
by DJ Brownjackal February 14, 2011
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malf, int.
An exclamation of excitement upon using a mushroom to turbo boost the speed of one's vehicle. (orig. Mario Kart: Double Dash).
TOAD. Mmmmalf!
by helium_raven June 4, 2004
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An angry expression, taken from the name of a fiery re amlf beast. Not only used for battletech novels but for everyday life. Sometimes used instead of the 'f' word
What the malf is that malfing chav doing there?
Malf off you malfing malf!
What the malf?!
You malf, what did you go and do that up for? you totally malfed it up.
by the_dark_side_of_elmo April 22, 2006
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Malfe is a very weird creature. It lives in Norway and has a human-like shape, the normal name of a Malfe is Mats. The Malfe also likes to work hard and earn its money the right way.
Malfe
by John Wicked November 14, 2018
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a) Geek speak for "malfunctioning."

b) Sometimes used by the above as a euphemism for "fucking" as a derogatory adjective form.
a) "If that doesn't fix it I'll try a different drive, and if it's still malfing after that, I'll change the motherboard."

b) "...the site itself needs some work... fixed pixel height font sizes that are WAY too malfing tiny if you are 'above' the default system."
by L. Reznicek May 3, 2006
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Malfing: a depraved, necrophilic, sexual act that involves digging up a freshly buried female corpse that has decayed but whose body cavity has not yet burst and setting it on a table and placing one's mouth on the vagina/vaginal/anal region whilst another jumps on the stomach of the corpse thus expelling with great force putrified organs/fluids into the mouth of the receiver to the enjoyment and pleasure for all those involved.
Receiver: Dude, will you come with me to go malfing tonight?
Jumper: Yeah, they just buried a lady 2 days ago and she should be ripe for the picking.

Receiver: Dont forget to bring your shovel and I'll bring the fold-up table.
Female corpse: Splat!
by M.A.L.F. November 23, 2012
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