Someone who is very comfortable with physical affection (think Abby Scuito from NCIS) and is not afraid to be bold in initiating it, especially with their significant other.
Boy: "What are you doing?"
Girl: "I'm an aggressive snuggler. Deal with it."
Slightly scared, he put an arm around her waist and let her hold him, not wanting to feel her wrath.
What happens on lazy days when you don't want to get out of bed. You spoon, then fuck in the spooning position, then fall asleep spooning. Repeat until rejuvenated, someone gets hungry or someone has to pee.
We were both tired from longhospital shifts so we spent the day snugglefucking.