On your bike

British Slang

Definition

A brusque, dismissive retort meaning “go away” or a firm refusal (“not a chance”).

Examples

"'Can I borrow a tenner till Friday?' 'On your bike.'"

"He tried to talk his way into the club, but the doorman just barked, 'On your bike.'"

"After he demanded a refund without a receipt, the shopkeeper told him, 'On your bike.'"