Surfboard

A surfboard was used to ride waves.

The Eleventh Doctor surfed the firefalls on Florinall 9 with one, "not deliberately", in order to escape from Sontarans. (TV: Pond Life)

On a beach in Blackpool, Ace attempted to stab an Ogri with a surfboard, to no effect. (COMIC: Seaside Rendezvous)

In 2006, Mickey Smith compared the Tribophysical waveform macro-kinetic extrapolator to a surfboard. Jack Harkness specified it was a pan-dimensional surfboard. (TV: Boom Town)