Simular to a hang over; it is the morning after feeling one gets from being Jacked up all night on either Coke (Cocaine) or Meth.
Seriously, We got an Eight Ball and partied away all night. Then went out on a whisky bindge. I have such a Jack Over today!
โดย Red Rhino 09 พฤษภาคม 2006
1 more definition
n. a highschool principle with no life who wants to make life for the students a living hell.
That jackover wanted to see my school ID even though we stopped using them 5 months ago.
โดย okder rro 03 เมษายน 2006