YOU SAID:
cheese on toast is a spiffing thing!
INTO JAPANESE
トーストのチーズはスパイピングです!
BACK INTO ENGLISH
Cheese on toast is spiping!
INTO JAPANESE
トーストのチーズがスパイピングしています!
BACK INTO ENGLISH
Cheese on toast is spiping!
Come on, you can do better than that.