Deon is a man who is great in bed, also referred to as the girth king. Deon is known for having a girthy penis, that is put to use when performing in bed.
"Did you hook up with that guy from the club?"
"Ya I did, he was so girthy, an absolute Deon in bed"
My Deon, I think everyone should have a Deon just not mine. He will always care for you and make you feel loved I appreciate him and would be lost without him.