term of encouragement, usually when forced to drink something unpleasant. e.g. "but I hate vodka 'n' red bull, it makes me boke" , "ach, houl yer wheesht and horse it into ye"
I will gladly pay you Tuesday if you will contribute to the cost of my next alcoholic beverage [usually all of the cost of it, and then they sit down next to you, happy days!]