Euphemism describing the act of defecating, metaphorically speaking. Otherwise known as taking a good hard shyte for oneself. This particular expression is used when the excrement is of a particularly large and solid nature.
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"
