Top Definition
High Fructose Corn Syrup - a sugar substitute often used in soft drinks, candy bars, and other sweetened food products.
One of the ingredients in Dave's cola was HFCS.
by Wiseman July 10, 2006
1. High-Fructose Corn Syrup

2. "Holy Freaking Cow, Stop!"
1. HFCS is a refined sweetener made of corn. It causes a nerve ending in your brain to not detect when your stomach is full, which will lead to overeating. It also has a 1/3 chance of containing mercury.

2. HFCS, Dude!!!!
by Shareeb4Prez May 07, 2009
hot fucking cow
damn that guy is such an hfc! id love for him to be my boyfriend!
by schlirshman September 11, 2010
Holy Freaking Crap. Used when any extreme moments happen.
John: Dude, I heard that Kenny hooked up with Mrs. Brown, the middle-aged lady that's always running around the block.
Tom: HFC!

Taylor: Stacy is such a whore! She's slept with all 17 of my ex-boyfriends!
Jane: HFC!
by Garry With Two R's January 27, 2010
abbreviation used amongst inner city friends, commonly implying the necessity to go "Home For Cones". The term was created by a Mr. Charles Dos Sole of East Sydney.
eg 1.Charlie Dos Sole: "I have had enough, I am going H.F.C!"

Crazylegs/Doogs/Pikey/Slats: "Bang, lets do this!"

eg 2. Pikey: "dude...... H.F.C"
by Crazylegs January 25, 2008
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