Give it everything, O frog? (2,3,5)
I believe the answer is:
go for broke
'give it everything' is the definition.
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for go for broke that I've seen before include "Risk everything in an all-out effort" , "Gamble everything" , "Make all-or-nothing effort" , "Make an all-out effort" .)