Snake chasing tick finding renewed energy (6,4)
I believe the answer is:
second wind
'renewed energy' is the definition.
(second wind can mean renewed energy or strength)
'snake chasing tick' is the wordplay.
'snake' becomes 'wind' (to wind is to snake around).
'chasing' says to put letters next to each other.
'tick' becomes 'second' (both can mean a very small amount of time).
'wind' put after 'second' is 'SECOND WIND'.
'finding' is the link.
(Other definitions for second wind that I've seen before include "Renewed energy in effort" , "burst of renewed energy" , "Renewed vigour" , "Distance runners need to get it" , "Renewed energy to carry on" .)