Salmon

To go round to somebody's house, and have an unfortunate incident regarding to some sort of bodily function (fluid or solid)

-from the notorious historical nature of salmon related products giving you an upset stomach.

I'm frightfully sorry, i appear to have double salmoned upstairs.. first of all i blocked the toilet with a champion log. Then unfortunately on my way back from the bathroom i popped into your bedroom to get a stick of gum and chundered all over your bed..