Mutt's nuts British noun slang
The best or the most excellent
Tweed is the mutt's nuts for making men's suits.
This soap is the mutt's nuts that I've ever used.
It is said our fitness center is the mutt's nuts in our city.
A product's feature that likely to make people want to buy it.
If you say that you carry all before you, you mean that you successfully defeat all of your opponents in a battle or a competition.
The best person or the best thing of a group in which none is good.
To destroy one's plans or ideas, often by doing something better than them
This is anotther version of 'the dog's bollocks,' and it first appeared in the United Kingdom in the 1990s. It's a wonderful variation since it has two advantages over the original form of the rhyme and the fact that nuts is slang for bollocks and also implies crazy and crap.
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.