Yeps vs. Yips — What's the Difference?

(informal) yep

In sports, the yips (in gymnastics, lost move syndrome or the twisties) are a sudden and unexplained loss of ability to execute certain skills in experienced athletes. Symptoms of the yips are losing fine motor skills and psychological issues that impact on the muscle memory and decision-making of athletes, leaving them unable to perform basic skills of their sport.

(informal) A nervous condition which prevents a sportsperson from playing properly; especially a condition which causes a golfer to miss an easy putt, or a tennis player to serve a double fault.

Plural of yip

Nervous tension that causes an athlete to fail (especially causes golfers to miss short putts);