I don’t understand the mama comments either and I’m not from Wisconsin.
the worse thing you can say to someone is your mother is a whore.. your momma is just a shortened version
It’s the old “Your Mother is so....” line.
Said to insult, and inflame,
Talking about someone’s mother is fighting words. There are thousand’s of ‘your momma’ insults. Saying ‘Your Mamma’ is usually enough. It was where I grew up.
check out “The Dozens”
Way back when, blacks had a term called “wolfin’”. They would try to outdo one another with statements like “yo mama wears combat boots” or your momma chases troop trains.When in a hurry, they just said “yo mama”
This prof is just sinking to his basic culture.