Also known as the MP-44, it is the first ever assault rifle ever produced. Made by the Germans, towards the end of WWII. It stands for sturmgehrwar, or Storm Rifle
Thicker, nastier, and less potent than the far superior Maximum Strength Robotussin, an eight-ounce bottle of Vicks contains 474mg of dextromethorphan, which to a seasoned DXM-head "ain't shit".
"Yeah, I dig closed-eye-visuals, but I'm not drinking Vicks 44, man! Come on, it tastes like the fuckin' devil, man!"