An anti-proverb [wikipedia] is the transformation of a standard proverb for humorous effect. Here are a few to get you started:
- The early worm gets picked first.
- All's well that ends
- It take a viking to raze a village
- Everything has an end, but a sausage has two
- An onion a day keeps everybody away
- Jesus may love you – but will he respect you in the morning?