1. [N. Amer] Foolish gibberish
   "The old man's stories were mostly blatherskite, but entertaining nonetheless";
   - blather, jibber-jabber
    
2. A person who talks at great length without making much sense
   "He's such a blatherskite, going on and on about nothing"

Derived forms: blatherskites

Type of: gibber, gibberish