a person who behaves as if they know everything
you're a bumptious little know-all at times
a know-all panellist
Today’s NYT Connections Answers Dec 30, #568 - Daily Updates & Hints
Today’s Wordle Answer Dec 30 #1290- NYT Wordle Hints & Updates
NYT Mini Crossword Answers Today - The Mini for Dec 30 Solved
NYT Strands Today - Hints, Spangram & Answers for December 30