Smoking Pistol
The act of taking a drag off a ciarette, holding the smoke, then shotgunning a beer then exhaling the smoke afterwards.
Drunken voice mail message: Dude I just invented the craziest thing you like you know smoking yeah so yeah you take a drag then you shotgun yeah then after you blow out the smoke I call it the smoking pistol.

Next message: yeah so im kinda mad cause right after i invented it i went on the internet and apparently its already been invented as the "smoking gun" but I dont care I'm still putting it on urbandictionary.com as my own.

Last message: welp its on urbandictionary.com now and im the first smoking gun is now mine i mean smoking pistol oh son of a bi..