rad is the act of changing one's {tampon} or pad out for a new one.
girl 1: have you radded yet?
girl 2: no, but i'm about to
Several definitions given here are correct in connecting the term to radical but incorrect in the date of origin. Being old enough, I can attest that it was used at least as far back as the seventies.
"The Ninja Turtles never invented a single term. To suggest so is not rad but very uncool."
best it can get.better than cool,sick,sweet,tight.a praise or compliment!
that new phone is rad.those quiksilver clothes are rad.
12π 7π
Someone who is retarded, autistic, and has Down syndrome. This is either literally or jokingly.
17π 13π