1. any dad who spends quality time with his kid as much as possible. 2. dads who surf, skate, snowboard or any extreme activity and teach their kids. 3. dads with long hair, mohawks or body piercings and dont give a shite what anybody else thinks.(and teach their kids the same)
yo, check out that Rad Dad in the water. his kid cant even walk yet and he's got him on that surfboard!
by tommyjah May 03, 2007
a sick Dad who is stoked to thrash with his kid.
yo check out that Rad Dad teaching his baby to surf... the kid can't even walk yet!
by pancho love May 07, 2007