An instruction to have vaginal intercourse. Usually used during the christmas period along with other classics such as 'hang my baubles', 'deck my halls' and the all time favourite 'father my christmas'
NB A christmas equivalent of the cereal based 'cheeri my o' theme.
"john gave my pudding a good pluming at the office christmas party"
" I asked him to plum my pudding, but he turned me down"