A term widely used on the internet when expresses ones appreciation for a "joke" or "hillarious phrase"
It means, "Rolling On Floor Fucking Laughing Endlessly" T
The "cakes" is used to form the phrase into a cute food like item.
Tim: Tony, your mum is really fat, she's like clinally obese you gay piss
Tony: Fuck off shit legs
Carl: ROFFLE CAKES!
A food made of roffles.
I was eating some roffle cakes then I rolled on the floor laughing.