flukey

• fluky

fluke +‎ -y

flukey (comparative more flukey, superlative most flukey)

1. lucky
   • 2018 June 24, Sam Wallace, "Harry Kane scores hat-trick as England hit Panama for six to secure World Cup knock-out qualification," Telegraph (UK) (retrieved 24 June 2018):

     For once, at a World Cup finals England could enjoy themselves, cut loose, score a bucket-load of goals, and giggle at the fact that Harry Kane’s hat-trick goal that makes him the tournament top goalscorer was a flukey deflection off his heel.

2. unstable, prone to rapid and unpredictable changes

   We would have got to Spain already if it wasn't for the flukey wind.

• (lucky): jammy

• fluke