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Confess,
having
originally
eaten
char
(5)
Confess, having originally eaten char (5)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
The definition is char — to scorch or burn slightly. SING gets you "confess" in the sense of grassing someone up, then you tack on E, the original (that is, first) letter of eaten, to finish it off.