Flung at, saying it’s over (5)
I believe the answer is:
threw
'flung' is the definition.
(I've seen this before)
'saying it's over' is the wordplay.
I cannot quite see how this works, but
'over' could be 're' and 're' is found in the answer.
'it' could be 't' (abbreviation. e.g. in 'tis) and 't' is located in the answer.
This explanation may well be incorrect...
'at' is the link.
Can you help me to learn more?
(Other definitions for threw that I've seen before include "Disconcerted" , "produced no-ball" , "Projected through the air" , "Propelled through the air" , "Formed (pot) on wheel" .)