Sheepish bearer of grapes bearing nothing (5)
I believe the answer is:
ovine
'sheepish' is the definition.
(I've seen this before)
'bearer of grapes bearing nothing' is the wordplay.
'bearer of grapes' becomes 'vine' (grapes grow on a vine).
'bearing' is a charade indicator (letters next to each other).
'nothing' becomes 'o' (looks like zero - 0).
'vine' put after 'o' is 'OVINE'.
(Other definitions for ovine that I've seen before include "Like the Cheviots" , "Pertaining to sheep" , "1/6 = 2/3 of 28 [SHEEPISH" , "like a mug" , "Sheep-like" .)