Adjective. The term is used to indicate that someone or something has a nerd or geek-like quality. It is also used by geeks to describe other, more hard-core geeks. It's connotation may be positive or negative depending on tone.

The term comes from the software industry, where kernel programming is among the most technically involved. From an informal standpoint, the more connected people are with kernel software, the higher the chances are of them being geek-like.

John is always talking about role-playing games on his computer - he's close to the kernel.
by Juan Carlos Jimenez June 23, 2007
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Is a term used after eating a big bag of Orville Redenbacher popcorn, when all the kernels that did not pop mix in with the leftover crumbs of popcorn that your body needs to eat because your still hungry, but instead pick up the kernel and bite and get pissed off so you throw it away.
"Bill for fuck sakes don't eat all the popcorn! Save me some I don't want none of that kernel skum."
by yeeson March 12, 2009
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Running naked backwards through a cornfield.
How did you get that bruise on your ass?

I went Kernel Bumping last night.
by Colonel Buttock July 30, 2009
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The degradation of an operating system, over time. Windows systems are usually most afflicted by this (the home versions such as 95, 98, and ME more so than NT 4.0 and Win2k).
The computer had kernel cancer so bad, that the only cure was to reinstall Windows.
by Keith "Hellmark" Brown February 9, 2004
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A Buttcorn Kernel is what describes that itchy feeling in your butt after you thought you had wiped properly earlier but actually did not. It feels almost like there are popcorn kernels in your sphincter; and it sure does itch.
"Damn dude...I got some serious buttcorn kernels right now."

"You should probably find a bathroom and take care of that post haste."
by Turdmit The Great Destroyer February 15, 2019
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After eating sweet corn on the cobb along with The Colonel's original recipe you likely will drop a Kernel Sanders in the "toitie" the next morning.
Dudes! I had a Kernel Sanders this morning - can't wait to send u a picture of it!
by MR Nipple June 20, 2014
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