To have sexual intercourse or making love.
I'd really enjoy a decent rail...
needed quickly, needed five minutes ago similar to on the fly
"You don't have that sauce, you better make it on the rail"
Snorting any kind of substance up your nose.
My buddy is just railing a gram of speed.
or railin, To be going fast or faster than someone else. Most of the time used with cars or motorcycles, it implies that you are in such control that the vehicle feels as if it is on rails
I was railing down the freeway at about a hundred switching lanes
a safty device known to save wildlife from the clutches of quicksand in the most compromising circumstance.
"Take it easy Charlie, my foot's on the rail."
1. To ride/drive/pilot a vehicle in a fast and precise manner down a twisty road.
2. To haul ass
I was railing down highway one until that CHP caught me.