Guts involves embracing redhead (8)
But I've got no explanation for this one! Could you help me understand?
(Other definitions for donation that I've seen before include "present" , "Do anoint by way of a gift" , "Gift of money as to charity" , "Gift or contribution" , "Money given to charity" .)
'guts' is the definition.
(thesaurus)
'involves embracing redhead' is the wordplay.
'involves' becomes 'entails' (I've seen this before).
'embracing' indicates putting letters inside.
'redhead' becomes 'r' (the head/first letter of 'red').
'entails' going around 'r' is 'ENTRAILS'.
(Other definitions for entrails that I've seen before include "Intestines, guts" , "Internal organs of animals" , "Bowels or intestines" , "Internal parts of animals" , "Intestines found in latrines" .)