In the Cannabis Growing industry, in Canada anyways, pinching refers to removing the growing top parts of a Cannabis plant (called the apical meristems in biology) , and often the grower uses his fingers to remove the young shoots of the plant, thumb & nails as if to pinch something that's why they call it to pinch to chop off the young shoots of the plant, so that the continuing growing part of the plant will divide and later produce more product, more Cannabis smoking material, according to professional growers.
Yo Joey did u alredy pinch these girls or not? Most marijuana growers adopt the pinching method, any cannabis grunt knows that. OMG how many times did u pinch these bushy sluts?
The Fart Pitchwill tell you if you need to be concerned about stool fragments in your unmentionables. The higher the pitch, the drier you should be. If you hear a low pitch, you are in the danger zone.
Ex. 1 - "Excuse me, Sir! I heard your low Fart Pitch just then, and you need to check your pants immediately!"
Ex. 2 - "Hey lady! That Fart Pitch was high and elegant, I wish more people did it like you. No check needed!"