G radical

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.....

camper move

A amateur, or attempt at something, that you are not fully aware of the outcome, most likely, dangerous, but at the humor of the onlookers.

I wouldn't light that cigarette near the fuel shed, that's a camper move