Best definition
This word can be used for anything really. Mainly to describe a person you don’t necessarily like, or it can describe an action.
Jim, you’re really acting like a yundt.

I think i just yundt in my pants.

It smells like yundt in here.

Man, i feel like yundt.
yundt: define #2
A place on the body between the taint and the cunt/balls
I think i tongued her yundt last night. His yundt was swollen when i was finished with him.