A dialect used in most of Wales (UK). It is mainly used in the south Wales, popularised by the 'Valley folk'. The common trends are to use terms which double up and sound stupid (but to us it is perfectly normal), for example "I'll be there now in a minute". Missing out letters or adding words for no reason, "He's most probly with 'is brother down the club".
Just watch the movie Twin Town, set in Swansea (a city in south/west Wales". More examples can be found at www.talktidy.com