(surfing, mildly derogatory) wave ski

(surfing, mildly derogatory) to ride a wave ski.

A large fat board used for surf lifesaving. It is propelled by the rider using their arms, either lying face down or sitting up on their knees, and usually has straps positioned along the sides to hold onto.

A plane surface or table to which paper can be fastened for drawing purposes. / (figuratively) The planning stage of a project.

A board on which messages may be posted, especially one in a public space. / (computing) Ellipsis of bulletin board system.

A small, high-speed warship designed to fire torpedoes, especially in coastal waters.

(idiomatic) To disturb the status quo or go against rules or conventions, as in an effort to get attention.

(idiomatic) Back to the beginning following an unsuccessful attempt.

A slightly elevated path for pedestrians over sandy or swampy ground, typically made out of wood; specifically (Canada, US) one running alongside a body of water or beach.

To install a boardwalk over.