book licker
noun, person who is reading the book as the teacher is going over the section and answers the questions trying to sound smart
Teacher- "Whats the definition of extraneous root?"
Smarty-" a number that is not a solution of the given equation"
Rest of class- "you book licker!!!!"
Smarty-" a number that is not a solution of the given equation"
Rest of class- "you book licker!!!!"