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Me
and
my
little
helper?
(7)
Me and my little helper? (7)
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hints
The whole clue is the definition (& lit or double definition).
How the clue works
The whole clue is an Me and my little helper? &lit, defining ONESELF (meaning 'me') while also describing the wordplay. Read as ONE'S ELF, it puns on 'my little helper' (an elf), since ONE'S means 'my' and ELF is the little helper, together spelling ONESELF.