The act of pleasuring ones self, by placing their penis between a toilet seat the toilet rim and slamming like shaquille o'neal
Favoured by one half of Wham's George Micheal.
" Hey Andy, fancy come Whambagging??"
to take one in the minge and one in the shitpipe
george micheal takes one in his muff and one his shithole,
" Hey anna, me and jim would like to know if your down for one in the pink, one in the stink?"