Give yourselves some credit, folks....whenever you say your jokes are going to be dumb I laugh the hardest
Here's my contributions:
Nurhachi's momma was so fat, they had to put her in 12 urns.
Your momma's so fat, Indy could ride her to Pankot Palace.
Your momma's so old she doesn't need an ark to talk to God, they went to kindergarten together.