Small drink of spirits (3)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
tot
'small drink of spirits' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for tot that I've seen before include "Arithmetic for infant" , "Small measure for a small child" , "slug?" , "Nip" , "Small drink of spirits" .)