"bowl over"

This is a reversal clue - look for indicators like 'back', 'returned', 'up' (in down clues), or 'west' (in across clues)

Reverse the letters of a word from the clue

Answer: STUN | Definition: 'bowl over' | Wordplay: NUT’S=”fanatic’s” (e.g. a football nut, a football fan), reversed/”Tipped”