The combination of someones attitude and how "Jacked" that person is.
A person with large ammounts of Jackittude is usualy seen in a gym or at your moms house.
Not to be confused with "Jackitude" (One T).
The specific annoyance one experiences when they can’t charge their phone and plug their headphones in at the same time because of the combining of the headphone jack and the charging port in the iPhone 7