Definition: JCT stands for "Just Can't Wait." Imagine this: You're at a crowded party and everyone is laughing and having fun. Suddenly, there's a loud noise, and everyone starts to laugh even harder because they realize that the person who started the noise is just now coming into view.
Example sentence: "I'm so glad you found me!" she said in an annoyed tone as she walked past me, obviously jcting my earlobe with her hand.