Definition of "goofy"

goofy¹

/ˈɡuːfi/

adjective
comparative goofier, superlative goofiest
1. silly, quirky
  Quotations
  Glorious attacking and goofy defending: here was a match that encapsulated the madcap appeal of this season's Premier League.
  2012 December 29, Paul Doyle, “Arsenal's Theo Walcott hits hat-trick in thrilling victory over Newcastle”, in The Guardian‎

goofy²

/ˈɡuːfi/

adjective
not comparable
1. (surfing, snowboarding) Riding with the right foot forward.
noun
plural goofies
1. (surfing, snowboarding) One who rides with the right foot forward.