A term mostly used in Ireland but dying out now, used to refer to someone who will compliment and show good favour to others for his own benefit.
Also used as Plawmawsing.
i.e plawmawsers are always plawmawsing
see also buttering up
Dont listen to him, hes only and old plawmawser.
Dont mind his plawmawsing, hes only trying to get you to help him move house