Clue: Peto taking note after Geordie fellow's last to leave when drunk (9)
Answer: INEBRIATE
Explanation: Definition: drunk
**I** ("peto") *taking*** TE** ("note") *after* **NE** (north-east, so "Geordie") + **BRI**A(n) ("fellow", its last letter left), so **I(NE-BRIA)TE