From cuddle + -licious.
cuddlicious (comparative more cuddlicious, superlative most cuddlicious)
- (informal, rare, of a person or thing) Pleasant to cuddle.
1996, Troy N. Terry, “Great new Rand/3 Wives theory”, in rec.arts.sf.written.robert-jordan[1] (Usenet):So why is it that Rand can't swing an Oath Rod without making a cuddlicious dame with fantastic powers fall in love with him?
2001, vjc, “losing lard”, in free.uk.tv.bigbrother[2] (Usenet):I quite liked being a bit cuddly, just not as cuddlicious as I got in the summer.