Just what it sounds like. A sock that is crunchy. There are typically three causes of a crunchy sock. They are as follows:

1. Crystallization of nut juice from using the sock in a naughty fashion.
2. Old sweat that crystallized because you wore the same pair of socks for two weeks.
3. Running in mud in just your socks like some sort of hooligan.

Crunchy socks are probably currency in Haiti or some shit I don't know.
Mom: "Hurry up, you're going to be late!"
You: "Hold on mom. I'm trying to find socks that aren't crunchy!"

Troll: "I'm going to savor your bone marrow, little creature."
You: *holds up a crunchy sock* "Wait. In return for my life."
Troll: *thinks for a second* "I accept your bargain."
by KrustyKreatorofKaos February 24, 2019
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Men always need a quick place to wipe up their jizz, a sock is the quickest resort.
my mom washed my crunchy sock.
i borrowed my friends crunchy sock, but when i put it on it felt stale.
by Crunchysox March 15, 2017
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Men need a place to wipe, socks are always there for you. Just be careful the next day when you go to put it on
While searching for socks my toes got a bit crunchy and I remembered It was my crunchy sock.
by Crunchysox March 15, 2017
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Dirty sock that have been neglected and has been in the corner of your room since the beginning of freshman year.
We heard Dylan coming from the other side of school with his crunchy sock ie. Cum sock
by Dontworryaboutit3416 March 11, 2020
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