Beefy bighead on strike, possibly (7)
I believe the answer is:
brisket
'beefy bighead on strike possibly' is the definition.
I can't judge whether this defines the answer.
'bighead on strike possibly' is the wordplay.
'bighead' becomes 'b' (the head letter of 'big').
'on' indicates putting letters inside.
'possibly' indicates an anagram.
'strike' with letters rearranged gives 'risket'.
'b' put inside 'risket' is 'BRISKET'.
Can you help me to learn more?
(Other definitions for brisket that I've seen before include "Risk bet on a strange cut of meat" , "Cut of beef from the breast or lower chest" , "Meat cut from the breast of an animal" , "joint of meat" , "Breast of four-legged animal" .)