Alasdhair
Creator of Crumpet Metal
yo momma jokes are classics
They need to branch out.
"So's your mum"
"So's your mum's face"
"So's your mum's face's mum"
"So's your mum's face's mum's face"
"So's your mum's face's mum's face's mum"
That could keep going on for a while.