1. the act of dishonestly influencing or tampering with something, especially a racehorse or competition
Usage: British; informal
2. the act of approaching and influencing someone improperly, especially to prevent them from doing their duty
Usage: British; informal

Examples

• The jockey was accused of nobbling the favorite horse before the race.
• There were rumors of nobbling among the judges at the competition.
• The investigation revealed evidence of systematic nobbling in the sport.
• Officials implemented new security measures to prevent nobbling.
• The nobbling scandal rocked the racing industry.
• Witnesses reported suspicious nobbling activities near the stables.