Master Chief
Short for Master Chief Petty Officer. The Master Chief Petty Officer is the ninth, and highest, enlisted rank in the U.S. Navy, just above Senior Chief Petty Officer, and is a non-commissioned officer. They are referred to as Master Chief in most circumstances. Advancement to Master Chief Petty Officer is similar to that of Chief Petty Officer and Senior Chief Petty Officer. It carries requirements of time in service, superior evaluation scores, specialty examinations, and peer review. A Senior Chief Petty Officer can only advance if the existing master chiefs approve. A Master Chief Petty Officer is purely administrative and is usually tied closely with the Commanding Officer, except possibly when the command is very large (e.g. an aircraft carrier). Their uniform reflects this administrative duty; becoming similar to that of an officer, albeit with different insignia than an officer.
The Urban Dictionary Mug

Loiks great
I had it drop-shipped and the recipient was very pleased. Thank you for the quick service and handling.
The coffee mug looks great and always draws comments from those seeing the first time.
perfect for when im expressing myself <3
The most coolest I own!
Cole m's girlfriend loved this mug we have an uncontrollable love for eachother

Easy to order and packaged well!!
It's an amazing product!
The mug is a lot of fun and arrived as promised! Thank you
Just what we ordered, arrived in perfect condition, arrived on time! Excellent!
So fun! Looks just like I expected. I like that I could edit the mug to say what I want.
got one for Cole M.'s mother, she loved it! Best mediocrely- timed sex ever!!!
The mug is beautiful and I love it! Thank you for having a handle large enough for a man to hold onto! ♥️
Mug printed nicely. Great gift idea.
Really great! Your custom mugs are amazing and hilarious
lit af my name is Frey and the def isnt true but its so great
Cole M. got me one for my birthday, fastest sex ever
Cole M. got this for me. best sex of my life.
Got it for Cole M. girlfriend. Slowest sex of my life.
Fucking awesome. Bought this while drunk and don't regret it.
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