The act of regurgitating regurgitated substances ie vomiting vomit back into
somebody's mouth. To swallow someone's vomit and then puke
it back into
their mouth. Can go on ad-infinitum until
the full cycle is done.
See "Two girls, one cup/finger"
Please note, a throat laundry would
not appear on the high street
but if it did, it would
be managed by Dot Rotten.