llanfairfechan Posted in L Best definition llanfairfechan a town in North Wales where the Seagulls from Llandudno go for a holiday. Those bloody Llandudno seagulls are here again in Llanfairfechan! How satisfied are you with the definition? Looking for llanfairfechan meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 21 times.