Souviding, ( Sou-Vie-Ding ) is the sexual act of placing oneself into a bathtub or any small to medium sized body of stagnant/still water and defecating while still in said water, and then simply staying or " Marinating " in the water, this can be done by ones self or with multiple people.
" Yo, we are souviding at micheals place tonight. wanna come?"
" Yeah sure. i love a good cookout!"
"No, we wont be cooking. were just pooping in a bathtub and marinating in it"
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.