The Crakers, due to their basic innocence, provide a lot of these when faced with the surviving "regular" humans. As just one example, because they are used to the vocative when addressing others ("Oh Snowman"), they think that a hallucinating Jimmy's cries of "Oh fuck" are invocations of a godlike creature called, you guessed it, Fuck. Toby's attempts to handle this challenge cause some serious corpsing on the part of Zeb.
Snowman's attempt at figuring how the three react at the end of Oryx and Crake is laugh out loud material.
Despite, you know, the fact that everyone on earth is dead, Atwood has written a book that is at times truly hilarious.
"Adam named the living animals, Maddaddam names the dead ones"