Small waves slapped against the side of the dinghy.

Big waves slapped around the raft and seemed really spiteful.

Where waves slapped against the shore, all traces of activity had been erased.

One wave slapped over his head, then another.

A wave slapped me head-on, and I went under.

Small waves slapped against the stones of the sea-wall.

A wave slapped the dinghy's seaward side; they really were drifting back into the chop.

A wave slapped her face, reminding her that she was in an alien element.

A wave slapped the raft, almost taking it from his grasp.

A big wave slapped him and when he next saw the sheet it had splintered.