a cliff
When someone starts telling you a story that's longer than a vacation and you want to kill them because you're bored out of your mind.
"Tell me the cliff version.", Lisa, after listening to her friend's 30-minute story about her cat."Cliff me, I'm dying here.", Mark, during his history class."I need the cliff or I'll fail.", Alex, after listening to his brother's 10-minute story about his lunch."