Was making a translation (not bl related) and came upon this definition for "trade". I did not know that. But i do know a lot of examples. And i bet you guys do too. I've found the name for them, in the middle of my job... Did everyone else knew about
![Bulking up well [m]](https://www.sexypornpictures.org/gallery-2/bulking-up-well-m-V6cr44E4JG/bulking-up-well-m-thumb.webp)
