/dev/null
/dev/null is a character device file on UNIX computer operating systems that accepts all data written to it, without storing it. It can be opened by many processes simultaneously, and writing to it doesn't cause the file to grow. Formally, it's described as being an infinite data sink. In shell programming, unwanted output from a command can be redirected there. For example: find / 2>/dev/null This would display the full paths to all the accessible files on the computer, without displaying the "Permission denied" errors that are likely to occur. When programs try to read from /dev/null, they get an end-of-file error. The idea of a null device was imitated by Microsoft in MS-DOS. In DOS, 'NUL' is a reserved filename. When you open a file with that name, DOS opens its equivalent of /dev/null. This behavior was inherited by Windows. In Windows, even versions of it that are based on the NT kernel, you cannot create a file called "NUL". It is usually pronounced as "dev null", not "slash dev, slash null." Programmers sometimes refer to /dev/null as a place to send any unwanted information, even if, for example, the data is being transmitted as spoken words from a human's mouth.
The Urban Dictionary Mug

Perfect gift for my gf
Looks great! Came quick
Gave it to my nerd brother. He used it consume liquid

Love it

as a fan of non-Z-generation-UD (since 2000 more or less) , especially of old-school definitions ("phat!") (as Nick, the more time passes by, the more I reach my inner age = 75 XD) , I totally appreciated the delivery in time for Christmas! (whispering) Perhaps printing quality in the Spain printing company is not as good as in the US, but - hey! - I got it before Christmas as a gift for my thank-God-non-Gen-Z-sister! ;) hugs from the eighties, and from Italy, and thanks! Mario
This is SO cool. Morning coffee will always memorialize my new addition to the English lexicon.

Too inappropriate
Item came at appropriate time in good condition.
epic
Got exactly what I wanted. Very happy with my mug.
It came faster than I thought it would and it looks great!
i am literally shitting literal bricks please help my asshole is on fire
Looked great, came earlier than expected, and in perfect condition!
It came faster than I thought it would and it looks great!
Ur momgay Very cool it is. mmmmmh very much I like.
Every Aspect of my Order (as First-Time customer) was actually very good, nice. .I ordered a white drinking mug with a Red background with text. would recommend this Site again.
so cool! u can make sarcastic stuff too. i put: sarcasm: being an absolute asshole
Like the mug for my daughter, but didn’t notice that I had color choices when checking out. The yellow was pre-set so I got that color. Would much rather have selected a different color.
Cute, well-made mug! Exactly like the photo. I can't wait to give this as a gift this Christmas!
The description of a person by their names is the realest I’ve ever come across
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