A snugaroo is an endearing term for a soft, cuddly individual who is the most precious thing you've ever seen. When they sleep, they look like little angels all snuggled up in a cloud.
Etymology: Snug (derived from snuggle) aroo (derived from cute kangaroos- in this case=Roo from Winnie the Pooh)
"What is your girlfriend like?"
"She's such a precious little snugaroo, she slept on my chest the whole night."