Noun/Adverb: A term of endearment for a loved one. Verb: A synonym for snuggling.
Noun: I love you, you are such a smuggy! Verb: Let's go smuggy!
A cute exclamation of surprise, delight, disappointment or other extreme emotional reactions. Variations include nerpie and nerphead to describe another person when in a highly emotional state.
Nerp! I love you even though you are a nerphead!