Literal translation is my testicles but it’s used by men and women.
It can be used as a swear word but also to swear on something that’s a matter of great importance, ranked somewhere between merely promising something and swearing something on your mother as it’s your testicles or the next best thing you’re putting on the line.
As a swear word, it can simply be used to discredit someone who just said something you find silly and hard to believe. In the same sense, the person uttering it is also suggesting to some extent that something is so uncredible that they might as well put their balls on the table.
slang term, huevos means eggs or testicles, en tu arroz means rice,there is a meal in south America called eggs on top of rice, "huevos en arroz", in this slang meaning "my balls on your rice"
when you don't believe something that somebody is telling you or denying something.
Oye que crees que me paso ayer? me gane la loteria, ay si... mis huevos en tu arroz.
Me prestas tu coche? no, mis huevos en tu arroz que te lo presto. = guess what? I won the lotery yesterday, Yeah right dude!
Can i borrow your car? no you got to be crazy if you think that's happening.
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).