A jerk Someone who interupts an act or conversation such as
Ie: grinding or Flirtatous conversation
Roots of orgin: my friends locker , english decent ( the american kind)
Used to acknowledge a humorous or disastrous situation. Stemming from a certain Robot Chicken episode which parodied M. Night Shyamalan's style of film style in which completely out of the blue situations happen to the characters, often with interesting results.