What's yours? I'd go for wanker. It was probably my first expletive as well, as my Canadian cousin told me to call my dad one when I was 7
Fanny-****-****-twat is quite good. Said instead of oops when for example, you drop something or make a mess of something.
Yeah he comes from that rural Irish village of Barnsley. It's so small you'll not see it on any map of Ireland.
**** used to have genuine shock value. Not anymore though, cos every **** says it all the ****ing time now. ****s.