Slay some dragons
To have sex with a hideous girl with which you have no interest of ever seeing again.
Jesse, i'm desperate man, let's hit up the bar tonight and slay some dragons.
slay some dragons
To go out with the intent of picking up random fat/ugly women for quick sex.
Dude, I'm tired and horny, instead of trying to pick up hot women to get laid, we should just go out and slay some dragons!
Slay Some Dragons
VERB: To smoke marijuana, in a fantasy-epic fashion.
"Squire! Does't thou have a bag?"
"Yes my liege, Lets go Slay Some Dragons!"
"Yes my liege, Lets go Slay Some Dragons!"