fluffing /ˈflʌfɪŋ/adjective 1adverb 1noun 1forms 1 adjective1 •(slang, humorous) Substitute for "fucking".That filthy man stole my fluffing purse! adverb1 •(slang, humorous) Substitute for "fucking".Are you fluffing serious? That was a fluffing good sandwich!Fluffing great. I'm behind on rent again. noun1 •The act by which something is fluffed. formsfluffings