chubby
adjective /ˈtʃʌbi/
  /ˈtʃʌbi/
 (comparative chubbier, superlative chubbiest)
- slightly fat in a way that people usually find attractive
- chubby cheeks/fingers/hands
 - She was eleven years old and pretty in a chubby sort of way.
 - worried that he was getting rather chubby
 - Aah, look at his chubby little hands!
 
Oxford Collocations DictionaryChubby is used with these nouns:- cheek
 - finger
 
Word Originearly 17th cent. (in the sense ‘short and thickset, like a chub’): from chub.