a welsh slang word merging the words "dwi ddim yn gwybod" (i don't know) into one lazy outburst instead of using the actual language. Normally used by people from Caernarfon that have nothin better to do than sit around Safeway car park
by jammyjames60 June 03, 2004
When a woman turns you off so badly that you cannot get an erection for at least 5 years afterwards, see Christine Hamilton
by jammyjames60 June 03, 2004