Add an s, and I do not become plural, but you need me to go anywhere. Add what you might surf on and you can surf in a different way using me. It would be somewhat ironic if you got stuck on this riddle.

RIDDLE CATEGORIES

kip kit was mud use huh idk cum ace sur tos guy but got iro nic the top sky sho say per por boa bor bee pro gov dot org pic hih jey fff led pas hit dog cat bra fet gis wot bed cpu irl tap url h2o h20 yes ooo not glu wax air pho his bus arm oar mac isp ips com www htm jjj car bod hkj net you leg and kae kee kay kif ear toe way sup fun foo fly flo rad pad que gps map jam ice pot xax ios eat die sow cow vow mow bow low jet web eye row sea saw see ass
The first user to solve this riddle was TheRiddle3r