a high test mouthwash used only after one is ATMed. an extremely acidic concoction, not to be used more than once a week to prevent withering of the gums, melted teeth or disintegration of oral tissue
-oh jesus, Rocco was really feelin' it last night, he fucked me in the ass then busted his nut in my mouth.
-oh wow, been there. I have some Ass-to-Mouthwash you can borrow if you want.
-hellz yeah girl
-just make sure you spit it out after like 3 seconds.