Essentially means "extremely cool", but is typically used ironically, to emphasize that something is precisely the opposite.
Person: *walks into the room wearing bunny slippers* "Dude, check out my hellaciously rad slippers!"
by RoboHippo September 13, 2010
Get the hellaciously radmug. 
by J Barr July 4, 2007
Get the B-Radmug. The place to be; A person, place, object, or event that is exceptionally rad.
Initially created as an alternative to the term jump off, it has since evolved to much broader uses.
See also: Lame Attack
Initially created as an alternative to the term jump off, it has since evolved to much broader uses.
See also: Lame Attack
by Mike Carroll August 28, 2006
Get the Rad Attackmug. get•rad get rad Pronunciation
–noun, plural -er
1. excessive indulgences in sensual and sexual pleasures, mass amount of alcohol and drug consumption; intemperance.
2. usually ending in arrest.
–noun, plural -er
1. excessive indulgences in sensual and sexual pleasures, mass amount of alcohol and drug consumption; intemperance.
2. usually ending in arrest.
by Brian Erik November 6, 2007
Get the get radmug. 
