Sningy

(snin-gee)
A term used to describe aggressive affection caused by something being so fucking adorable you just want to squish it with hugs and adoration.
(Often associated with kittens or small children and usually linked to exclamations of barely contained glee or frustration, like 'ahhhhhh!', 'grrrrrr!', or 'OMFG!')

e.g. When seeing a kitten "aaaahhhh! You make me so sningy!!"

e.g. When describing a toddler whose cheeks you just want to squeeze. 'OMFG, they're so sningy!!'