1. An altered state of perception after consuming copious amounts of good food; especially bacon. Comparable to the lazy glow one gets after an orgasm. Can result in merriment, extreme laziness, extreme exhaustion, smoking a j or loosening ones pants.

Also see "Food Coma".

2. A word or sound made to signify food that looks, tastes, smells or otherwise seems delightful.
1. Person A: "Dude, I'm so yum right now.."
1. Person B: "Good job with those eggs Tim, best I've had in years."

2. "Yum, those muffins look great!"
by Chamber12 March 18, 2010
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a word that can be used in any situation
"Wow that guy is so yum"
by whateverrrrrrrrr April 23, 2017
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When a vagina tastes good it’s a yum vagina.
Dylan had a yum vagina last night.
by Jason1939 October 4, 2019
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Means yes, usually heard during very high times in which case you'd probably be too lazy to say 'yes'.
Ay man can I get a yoohoo out of your fridge?

Yum.
by fuckhat February 12, 2009
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The food that makes you scream WHeeeeeee
Your Mom said Yum after she ate my peach
by yummy bummy March 26, 2005
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Yellow Dog Updater, Modified

Yum is a great CLI application, with GUI front ends, similar to Apt for RPMs that makes updating, getting information about, installing and removing RPMs easy. It's used by Yellow Dog, Fedora Core, and RHEL (and possibly more distros I do not know about). When you install something via Yum, Yum automatically downloads and installs all dependencies of the package you want if you don't have the dependencies, putting an end to dependency hell if the package you want is in your Yum repositories.

A great Yum configuration file for the most recent stable Fedora Core that adds great repositories can be found at http://www.fedorafaq.org/samples/yum.conf
I escaped dependency hell for Frozen Bubble by using Yum :)
by a thing June 12, 2005
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