yips
Multiple Entries:yips yip
Concise Oxford English Dictionary © 2008 Oxford University Press:
yips/jɪps/
▶plural noun (the yips) informal extreme nervousness causing a golfer to miss easy putts.
– origin 1960s: of unknown origin.
Concise Oxford English Dictionary © 2008 Oxford University Press:
yip /jɪp/
▶noun a short, sharp cry or yelp, especially of excitement or delight. ▶verb (yips, yipping, yipped) give a yip.
– origin early 20th cent. (orig. US): imitative.
'yips' also found in these Oxford entries:

