surf ‧ ing /ˈsɜːfɪŋ $ ˈsɜːr-/ BrE AmE noun [uncountable]
1 . the activity or sport of riding over the waves on a special board:
When we were in Hawaii, we went surfing every day.
2 . the activity of looking quickly through information on the Internet to find something that interests you
⇨ ↑ channel surfing