snuggle bunny

noun1

1. •
   (US) A romantic partner, child, pet, stuffed animal, etc. which is an object of affection and which provides comfort through physical contact.

   • "So you're wanting to find a little 'intense physical affection'?" "Oh, my! That's a bit crude, isn't it?" "Well, then may I suggest my favorite euphemism: 'snugglebunnies'." — 1985