I am without my Chambers but understand the rubric at the start of the puzzle. Having said all that i am wondering if 25 A is ARGOT-see below and if not what it might be and similarly 26A 26A Drink in...
27 Across : " Yes ! Trick entertains us, good day for object of schoolboy humour " Answer : whoopee cushion " . I guessed the answer from some of the letters bu cannot see any connection with the clue...
Grateful thanks for any help with 21 down: Crossword clue: "Cutters from a Middle East state, one unknown replacing another (6)" A - E - E - I can only think of Apexes but I'm not sure why....