What's nil nil after fine match? (6)

'what's nil nil after fine match?' is the definition.
I can't tell whether this defines the answer.

'nil nil after fine match?' is the wordplay.
'nil' becomes 'O' (O resembles 0).
'nil' becomes 'O' (O resembles 0).
'after' says to put letters next to each other.
'fine' becomes 'f' (abbreviation in pencil classifications).
'match?' becomes 'tie' (tie can mean a sporting fixture).
'o'+'o'='oo'
'oo' put after 'f' is 'foo'.
'foo'+'tie'='FOOTIE'

Can you help me to learn more?