go fly a plane

Go get fucked

You can go fly a plane

Go fly a plane into a mountain

Go fly a plane into a mountain simply means kys as if you were to fly a plane into a mountain it would kill you

Go fly a plane into a mountain is used in a similar way as go play in traffic , go jump off a bridge, go drink bleach stick a fork in the electric socket, or new as of the year 2018 eat some Tide Pods sorry kids Tide Pods don't taste like candy they will just simply kill you