yyf
This means Yuch Y Fi in Welsh simply meaning Yuck! in English.
Claudia - Oh my! there's poo on the floor!
Jean - YYF!
Claudia - Go and clean that up now!
Jean - YYF! no way!
Claudia - YYF! it's an my hand!
Jean - YYF!
Claudia - Go and clean that up now!
Jean - YYF! no way!
Claudia - YYF! it's an my hand!