The act of jumping into a bathtub filled with ice and cold water and completely submerging yourself while wearing a pair of goggles. As seen in the Zach and Dave Show youtube video SUBMERGING.
"Hey what are you up to tonight?"
"Not much."
"You want to try Submerging?"
"Let's do it, I'll get the ice and the goggles, you provide the bathtub."
When you break your bong after a catan loss but your banger is untouched, so you melt the sliver of wax out of your old cart onto the banger and insert it into an empty Burberry cologne bottle.
Dude I’m sorry I have to reschedule your surgery I’ve been Shubonging all day and I forgot how to drive.