When someone does something awesome, but continues to milk it for more than it is worth. When your friend gets an amazingkill in a Modern Warfare and continues to brag about it.
Guy 1: Dude did you see that I got a head-shot on that guy from across the map.
The ultimate and powerful act of splooging your semen out of your penis like a cannon after a long edging/gooning streak.
Oh my god! I just caught Gerald in the midst of a goonsession and he lost it! He started Skadooshing all over me! It was so powerful that it blasted both my arms off!