Yes, buffy is in the scrabble dictionary.
What does buffy mean?
buffy in British English
1. of a dull yellow or yellowish-brown colour. 2. (of blood) having a light-coloured layer at the upper part of a clot. Collins English Dictionary.
What is a buffy in England?
buffy in British English
(ˈbʌfɪ) adjectiveWord forms: -fier or -fiest. of a dull yellow or yellowish-brown colour. (of blood) having a light-coloured layer at the upper part of a clot.