slobber(noun, verb) noun1. saliva spilling from the mouthSimilar word(s): dribble, drivel, droolDefinition categories: body, saliva, spit, spittleSentences with slobber as a noun:- There was dried slobber on his coat lapel. verb1. let saliva drivel from the mouthSimilar word(s): dribble, drivel, drool, slabber, slaverDefinition categories: body, salivateSentences with slobber as a verb:- All babies slobber.