This is way too long for a stoner joke but I thought it was super cute.
A koala is sitting up a gumtree smoking a joint when a little lizard walks past, looks up and says:
"Hey Koala, what are you doing?"
The koala says: "Smoking a joint...
Dorothy and Edna, two 'senior' widows, are talking.
Dorothy: 'That nice George Johnson asked me out for a date. I know you went out with him last week, and I wanted to talk with you about him before I give him my answer.'
Edna: 'Well, I...
and sees a donkey.
He askes the bartender why is there a donkey in here the bartender says if you can make this donkey laugh I will give you ten thousand dollars.
So the man whispers in the donkey's ear and the donkey started laughing.
Then the bartender said if you can...