28 across
I
mention
getting
hammered
before
you
can
say
Jack
Robinson
(2,2,4)
I mention getting hammered before you can say Jack Robinson (2,2,4)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
See before you can say Jack Robinson — that's your definition, the old idiom for something happening very quickly. Then "getting hammered" is doing the work as the anagram indicator, telling you to shuffle the letters of "I mention" about until they settle into IN NO TIME.