rule of thumb
one of the most commonly misconstrued sayings, an example used in Boondock Saints "a man is allowed to beat his wife with a stick no thicker than his thumb." A claim made by a satirical caricaturist by the name of James Gillray against a judge. The first and original use of the saying is as simple as the words. The thumb was used as a readily available tool of measuring. Such as the Tailor's rule of thumb "the circumference of the thumb twice, is the circumference of the wrist, twice the circumference of the wrist is the circumference of the neck, and then twice the circumference of the neck is the waist's circumference." Then there is the Brewer's rule of thumb where if the temperature of the wort wasn't insufferable by the thumb it was cool enough to pitch the yeast. It has now been used as a term of commonplace knowledge in a field.
The Urban Dictionary Mug

It holds liquid, very good
I use it to catch my cum
the mug is really durable, my parents beat me with it and it doesnt break
Love this mug, I like to use it to defecate in which I then feed to my family. 5 stars.
Quick shipping and awesome hysterical product!
I fucked with it for months before i finally ate it.
Great mug! Got a homo mug for a friend's birthday and he adored it. :)
love it

THINGS ARE GETTING A LITTLE WILD AT CAILLOU'S HOUSE!
The thing is amazing. Also everything on the back is true!
Professor - I am loving this ....not all professors are blasted toward intellectualism. I believe smart comes in all different sizes, color, beauty, and personality. I will use this coffee cup proudly. Loving it in Denver. Jax
It was great! Very hard to break and easy to hold! Also very cute

I sent my friend the Wordle URL for her to enjoy. She did her first Wordle and got so excited, she sent me a text including the answer she got. This showed at the top of my screen and I read it - there was no way to un-read it so I was ... wordlefucked for the day!
Solid mug. Funny design. Fair price
My dad hits me with his mug. It's very very durable
I got the Capybara one made by FAUBCOK and it was so good quality!
i loved the mug, gave it to my grandmother on her birthday
The mug is great! I bought it as a gag gift for a friend, and I didn't really think it was going to be a good mug, but when I got it I was super surprised! It is really high quality feeling ceramic and the print is very clear and good looking. It was also packaged really well, and the shipping process was nice too! It did take longer than I thought to get here, but it's understandable as I did order it custom. In all it is an amazing mug and I think I'm gonna have to buy one for myself.
This mug is great! It comes in perfect condition and I love that you can change the definitions! I put my name and then I put the definition as ‘the best person’. Made my day every time I picked it up.
My name is Asher, I looked my name up a few days ago and we all had a good laugh. Now, this mug is my go to morning mug for drinking my herbal tea and plotting to take over the realms.
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