When your out in the woods and all of a sudden your butt-hole tightens up and you get that distinct feeling that your about to unload 12 pounds of ass cannon....
The Shit Tree is a most unfortunate place to sit. Don't take a picnic there whatever you do. One who is having a particularly crappy day would say - I have been sitting under the Shit Tree today. Like Newton noted the apple falling, so would you note the Shit falling. Raining down on your head.
Poor Dave - he's been sitting under the Shit Tree all day.
Charlie's so unlucky - she might as well have been born under the Shit Tree.
when you finish a dum dum sucker by biting the sucker leaving a little bit of the sucker on the stick and then your bro hands you another sucker but spits on it
"man i was a shit stick up a tree but then my bro was like"
'here i have a bit dip in da nip tip"
aka
a shit stick up a tree is like a bit dip in da nip tip
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.
Man, I just watched the funniest nutshot video ever.