A person who digs through other peoples crap trying to find something of use, but usually ends up smelling like a pile of dung
"Wow, your child is quite the crap weasle!"
"I caught a crap weasle hanging out in my shitter"
"You smell like a crap weasle
1. Fetal obsessed rodent of the weasle family.
2. Mild yet strangley amusing insult.
1. That dang'd dar crap weasles goin' after t' chicken dung again, maw!
2. You're such a crap weasle, Phil.