When you have a spoon to pleasure someone by inserting it in to their anal cavity and removing any substances within, then proceeding to feed it to them (sometimes with force). This can also be used to clean out any rectal clots or clumps, before anal sex (though the feeding still takes place).
Dude! i got caught spooning that girl right after i forked her!
you do NOT wanna know...
Hey wanna have anal sex?
Sure let me get my spoon.