from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective informal Having similar traits to the fictional character
Gollum, including obsessiveness, sinisternessor talkingin an unusual manner often punctuated by hissingsounds.
from Wiktionary, Creative Commons Attribution/Share-Alike License
Gollumly and gollumlike (both presumably from the German *gollumlich): of a creature having the Gollumn-nature, those characteristics proper to that nature; gollumish (G. *gollumisch) characteristics of Gollum found in a creature to which such characteristics are not natural.