Nine under the table (3,4,3,5)
I believe the answer is:
one over the eight
'under the table' is the definition.
(both can refer to drunkenness)
I don't understand the remainder of the clue.
(Other definitions for one over the eight that I've seen before include "Merry individual" , "Cox" , "having had too much to drink?" , "individual in charge of rowers?" , "drunk?" .)