Errr Butty (Swelsh Dialect) a trusted and honoured friend (abrevieation "But'" Also Butty = Sandwich of the trasditional kind. A bit of thick bread folded over a filling.

On the Menue of the Royal Oak - Ystrad Mynach "Tuna and Mayonaise sandwich," "Chip Butty", "Chip Butty with Curry Sauce."

We can safely assumne that a butty is not cut into triangles, with the crusts cut off.

Gareth