knock (someone) off (their) perch

British & Australian

to make someone fail or lose their leading position.

Will Rovers win the European Cup and knock United off their perch?

• hand down something
• hand in glove
• handle someone with kid gloves
• handle with kid gloves
• hand-me-down
• hand on heart
• hand out
• hand out something
• hand over
• hand over fist
• hand over someone
• hand over something
• hand over the reins
• hands are tied
• hands down
• hand something to on a plate
• hand something to on a platter
• hand something to on a silver platter
• hand something to someone on a plate
• hand something to someone on a platter
• hand something to someone on a silver platter
• hand that rocks the cradle .
• hand that rocks the cradle rules the world.
• hand-to-mouth
• hand to on a plate