Definitions by jfw04

Dyno 

(Adjective) A word that originated in the climbing community meaning awesome, kickass, or otherwise positive. Can be used to refer to anything but is usually referring to a particular event or action.

Yo bro, did you see that episode last night

Yeah bro, that episode was so dyno.

or

Dude that bouldering problem is most dyno.

Dyno by jfw04 July 4, 2011