simple past tense and past participle of bed surf

(sports) The sport of riding waves as a surfer, while seated in a kayak.

(obsolete) surfing

(obsolete) One who rides the surf usually on a surfboard; a surfer

plural of surf ski

Long narrow water craft (about 18 feet long) seating one person, propelled by paddling with a two-ended paddle and incorporating a small rudder controlled by foot levers. Designed for recreation or competition in surf, especially surf life saving, but only for going straight out and in, not for surfing across a wave like a wave ski.

The activity of rescuing swimmers in distress at surf beaches. / The movement promoting and organising that activity.

plural of surf rider

To engage in crowd surfing (being carried over the heads of a densely-packed crowd)

simple past tense and past participle of channel surf