When Angela decides to kill the Texan truck driver, she gives a little sigh of exasperation (as the woman has managed to push pretty much all of her buttons at once) right before she kills her.
"Let this be a lesson to you. Say no to drugs." Said right before lighting a drug addict on fire.
When the Councilor's are giving the campers a round of Horror Bowls (you know, peeled grapes are 'eyeballs', pasta are 'guts', etc. etc.) Angela's bowl? Dead teenager's brains.
Made better by the Sarcastic Confession ("Angela, what's really in there?" "Dead teenager's brains.") and the utterly deadpan way in which Angela says it.