Poopin’

When the joint has too much ash on the end.

“Yo charlie, that J is poopin’!”

“Facts Toby, ash that Bih.”

Poopin’

The ash on the end of a joint/cigarette.

“Yo there’s a lot of ash at the end of that j”
“yeah! that thing poopin’!”

Cents

The amount of weed left in a joint.

“yo can i smoke some cents off that joint?”
“sure! take a dime or two”

Keep the change

When you offer your friend a joint and they are allowed to smoke the rest of it.

“Hey can I hit that?”
“Sure! Keep the change”
“thanks bro!”