Throw it all over first salad dish (8)

I believe the answer is:

splatter

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'throw it all' is the definition.
I can't judge whether this definition defines the answer.

'first salad dish' is the wordplay.
'first salad' becomes 's' (1st letter of 'salad').
'dish' becomes 'platter' (platter is a kind of dish).
's'+'platter'='SPLATTER'

'over' is the link.

Can you help me to learn more?

(Other definitions for splatter that I've seen before include "Prattles (anag)" , "Gruesome sort of film" , "Spatter, splash" , "Make a mess" , "make a splash" .)

I've seen this clue in The Irish Times.

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