Top definition
to do something with a serious risk that would reap an equally serious reward if successful
If someone risks his career for a loved one, that would be letting it fly.

If someone takes a shortcut while driving by quickly going the opposite direction on a one way road when time is of the essence, that would be letting it fly.

similar as to throw caution to the wind
by Nathaniel Bacon March 13, 2009
Get the mug
Get a Letting It Fly mug for your mate Bob.