What is A To The Motherfucking K?
1.
A way of saying AK, which I suppose could mean any form of assault rifle, NOT just the AK-47. But, yes mostly it does mean AK-47.
"Dude I just saw your parents pull up in the driveway."
"Go to the shelf and dust off the A to the motherfucking K, caps NEED to be pilled."
"... will do."