look up any word, like smh:
 
1.
While biking, flying or driving it is that weightless feeling you get and then the return to normal gravity......

Going over a specific type of hill in a vehicle, that funny feeling in your stomach and then getting to the other side......
Wow, that felt pretty weird!!!

Back to the G radical.....
by Zapper 4 May 30, 2011
 
2.
when something is awesome, but only in a way that grad student nerds would appreciate
Dr. Meyers is going to help you develop your thesis and all you need to do is TA her Intro Psych course? That's pretty gradical.
by OHAUS April 24, 2010