1. superlative form of jockey; most resembling or characteristic of a jockey
Usage: rare; primarily used in comparative contexts with jockey-related attributes
2. superlative form of jock; most athletic, sports-oriented, or resembling a jock
Usage: informal; common in casual speech

Examples

• He was the jockiest guy in our high school, always at practice or the gym.
• Her jockiest friend convinced her to join the soccer team.
• The jockiest members of the team dominated the locker room.
• That's the jockiest outfit I've ever seen—all team logos and athletic wear.
• He had the jockiest attitude, always talking about his latest game.