To use a cafeteria or McDonald's serving tray to catch waves. Originated on Oahu, Hawaii. Action: trayboarding.
Ay bro, you bring your bodyboard? Nah bra, I goin trayboarding today.
by Taha Gaya November 07, 2006
to slide on a lunch tray
These dudes like to trayboard after school.
by Mehdi Sinaki March 22, 2006