When you go to a video, but then you get distracted and click on 'related' links until you are watching sneezing pandas.
Gaining interest in something new
Teacher: Student, did you do you're homework?
Teacher:WTF u little nagger! YTF u not do ur homework u choob! Now I am going to DEVOUR UR SOUL! No longer will u get all A's for special Favors!
Student:Its not my Fault Mrs. Teacher.... It was the Youtube Effect!
Teacher:O... k. Tht makes sense. Ur off hook... go back to ur work