Definitions by Beisner

grundula 

The fresh space of hairy skin between your scrotum and your anus. Synonymous to grundle.

After the cross country trip, Joel's grundula felt wet and slimy.

grundula by Beisner February 3, 2005

ya mudda 

your mother. used as an insult when there is nothing else to be said. Similar to "yo mutha" but rolls of the tong easier.

"You are such a faggot"
"Yea ya mudda doesnt think so"

ya mudda by Beisner February 3, 2005