(Mitchell tells Cameron that his mother, Dede, is here)
Cameron: Oh, yeah, right. 'Cause the last time she was here, the refrigerator magnets rearranged themselves into a penta--(Sees Dede) Grandma!
It is understood that Cameron is about to say the word "pentagram" before seeing Dede. The Pentagram is the official insignia of the Church of Satan, and is otherwise associated with Satanism.