The act of absolutely fucking up something to the point where fixing it is just ridiculous. This can apply to phones, electronics, social situations, or any kind of project.
Man, I was talking to this girl and it was going great until Jake started jungling it all up by being creepy.
To hang out with friends but do nothing since there is nothing better to do. Often leads to general mischief.
Person A: "Hey, what are you guys doing?"
Person B: "Ah, not much. we're just junking around."
Person A: "Oh. Hey, wanna go set off some firecrackers?"
The act of consuming large quantities of junkfood carbohydrates. Simular to the act of Carbo-loading which is performed by endurance athletes. Carbo-junking, however is usually performed by over-weight video game players while competing in on-line death-match types of competitions over a number of days.
"Man, I played Call of Duty all weekend long! I sat in on the sofa and was carbo-junking on twinkies, ho-hos and soda the entire time!
The act of getting head from a girl and then releasing your load in her hair and then quickly adding sticks and leaves form your pocket into her hair as to create the appearance of a jungle woman.
I came prepared, I've been planning on jungling this girl for a long time.