A fork of Rural Dictionary
1. A humble, yet funloving individual whom of which rides skateboards in empty swimming pools and surfs waves in any/all oceans throughout the world.
2. A person that is secure enough of their self to openly make fun of their self, character, etc.
3. (adj.) A common word used to describe a typical surfer or someone that surfs.
"Look at that guy over there laughing his arse off... he's just sumdumsurfer."