When you're having sex with a girl and you stop just before she's about to cum, leaving her there in a state of cumming and not cumming limbo
"Yo dude I totally left Stacy on a clithanger last night and she broke up with me this morning"
"No way bro, I did the same thing to Jessica last week, it really pisses them off "
"Omg Jessica Jordan totally left me on a clithanger last night, what a prick!!"