A derogatory term of a person who is Japanese and Korean. It also could be a racial slur too because Gook is still a controversial slur. Some Koreans may take it as a joke but some may take as a serious racial slur. Replacing the G with a J makes it to a jook.
Student 1 : I went to someone who was a jook in highschool.
First coined by Niko from the youtube channel Corridor Digital in their Lan Party episode of Mario Chase, This term is used when someone makes it out of an extraordinarily sticky situation.