Top definition
adjective
1 relating to or affecting the fundamental nature of extreme impressiveness; a far reaching and thorough great admiration, apprehension or fear or all of the above at once; relating to an excessive amount of the quality of being fashionably attractive or impressive.

2 the absolute best thing ever witnessed by anyone in all of the history of everything anywhere

noun
1 the quality of being the above
"My god. That star that just went supernova giving birth to one billion winged unicorns pooping rainbows of interstellar infinity was radawesicool."

Note: Almost always uttered as hushed whisper of awe.
by cielo bonaparté May 24, 2011
Get the mug
Get a Radawesicool mug for your fish Nathalie.