The past tense of surfs is surfed.
The Spine Surfs Alone was created in 2004.
emperor penguins are depicted in Surfs up emperor penguins are depicted in Surfs up
"Surf's Up" as an expression means "The surf is up." Otherwise, if you mean "surfs up" as in "He surfs up and down the coast" or "She surfs up beside me," then in both cases the past tense is "surfed."
The surfs fought in the Crusades because they wanted the same rights as the nobles.
She surfs
A seahorse!!
A surfer girl?
as she surfs the water.....
Kings and Queens dress nicely and Surfs are basically slaves, so the dress in rags.
The surfs of Russia
surfs