Yes, fop is a Scrabble word!
...and is worth 8 points in Scrabble, and 9 points in Words with Friends
fop
Noun
1. A man who is much concerned with his dress and appearance
What Scrabble words can I make with the letters in fop?
2 Letter Words
Noun
1. A man who is much concerned with his dress and appearance
2 Letter Words