Meaning

noun the sport of riding a surfboard toward the shore on the crest of a wave

verb ride the waves of the sea with a surfboard

verb look around casually and randomly, without seeking anything in particular

originEtymology tree Middle English suffe? English suff? English surf Proto-Germanic *-ungō Old English -ung Middle English -ynge English -ing English surfing From surf + -ing.

Etymology from Wiktionary, CC BY-SA 3.0