Best definition
yum yum jar
Any type of glass jar to keep your weed from stinking up your room. Typically made from any type of

food jar such as jelly or pickles. You can use a mason jar but using a food item is just more fun.

Friend: Bro wtf are you doing with that jar of pickles?

You: It’s my yum yum jar , can’t let my old lady smell my loud

You: Don’t throw out the jelly ma!

Mom: What the hell do you need it for?

You: Yum Yum jar you wouldn’t understand