Perhaps Blend of snooze + nuzzle.
snoozle (third-person singular simple present snoozles, present participle snoozling, simple past and past participle snoozled)
- (Britain, rare) To nuzzle affectionately. [from earlier 19th c.]
- 1847, Emily Brontë, Wuthering Heights, Chapter III
- She […] seemed absorbed in her occupation; desisting from it only to […] push away a dog, now and then, that snoozled its nose overforwardly into her face.