casual snuggling between two friends of the opposite sex
Samantha: so, when i was at Chris' house yesterday, we started snuggling, but it was totally casual, cuz we're just friends, ya know?"
Katie: "i got you. so u guys were cozing?"
Short-form of Resting, Sleeping.
Rooted from the word Cozy
Dude it's only like 8pm why are you cozing?