Yes you can deep fry wieners and they taste great.
You can basically deep fry any meats you want to deep fry and the deep fryer will make the meats including the wieners delicious.
I love to deep fry wieners and other hot dogs and they are delicious that way.
Although it's not healthy to deep fry wieners or other hot dogs or any other food too much because deep fried food when eaten in excess can lead to heart disease, heart attacks, strokes and blood clots.
However in moderation deep fried food is okay for you.
Just be sure to eat other healthy foods and get plenty of exercise and you'll be okay.
But yes deep fried wieners are good and you can deep fry wieners and other hot dogs and deep fry sausage links and they are also good that way.