### Clue: Gents drunkenly tip hat, with best man losing head (4,3,7)
### Answer: JOHN THE BAPTIST 
 ### Explanation: Definition: man losing head
 JOHN(slang for a toilet, the public one for men being the "gents") + **anagram of**(drunkenly) [TIP HAT **plus**(with) BEST].
Defn: …, the latter being the prize demanded for the display in 8,9 down. **
… there's the lost head on a plate, according to Picasso.