The act of a ejaculating at the precise moment when a man initiates his bowel movement. This is a very difficult task and should be attempted with great caution.
Dan: Hey dude, is it possible to have an orgasm while pooping?
Joe: I don't know, go try.
Dan: Would that be considered shumming?
Joe: Yes.
Zoe: "Hey, did you see that photo I tagged of you from last night?"
Rebecca: "Yeah, it sucked"
Zoe: "What, didn't you like it?"
Rebecca: "No, I had to shimmage that bad boy"
Did you get sh1mmer yet?
What's sh1mmer?
Quick! *plugs a USB into their Chromebook* Before it's patched!
What the hell are you doing?
Now try to use your Chromebook.
Wait, where are the school restrictions?
Maaan I sh1mmered your mom so hard last night
I'm going to sh1mmer all over the place