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("very cold object") plastic object filled with unknown substance, kept in freezer and used to cool other objects.
My ice chest was crammed so full of beer there was no room for a VCO.
VCO by Matt Bettes January 13, 2008
Related Words
A voltage-coffee oscillator (VCO) is an electronic oscillator whose oscillation frequency is controlled by coffee.
My synth have a VCO
VCO by biskanove April 26, 2023

VCO Vocabulary Corrections Officer 

A person who feels the need to correct every wrong word you say including pronunciation
my wife could get a job as a VCO Vocabulary Corrections Officer
the term "vconras" is still largely confined to the USENET newsgroup alt.fashion. it originated as a typo for "congrats" in an instant message session between two members, who decided it sounded much better than the boring and ubiquitous "congrats."
a: hey, guess what? I got the job!!!

b: vconras!
vconras by Xenu2001 July 31, 2008
Stands for "Vanilla Call of Duty", which is Call of Duty 1.

Call of Duty 1, or cod, is a first-person shooter (FPS) that is very popular.

VCoD was invented when Call of Duty 2 came out, and many gamers did not like the 2nd, and thus came back to Call of Duty 1. VCoD was created to lessen the confusion between the two when mentioning CoD.
Dude, let's reinstall VCoD and play that instead of CoD2... I'm tired of this shit game. Plus, there are many leagues starting up for VCoD.
VCoD by O-Ren September 15, 2008
vicious cycle of worthlessness
this society, history, and social structure is just one big Vcow.
Vcow by Squilliam November 14, 2006