I just baidu(same to google) it...(Wow....Amazing...I've never noticed that word before. Thanks a lot.=-=)There may be 2 explanations.
1 :杀 shā 必 bì 死 sǐ
A sort of animation which aims at male audiences. It usually abounds of female characters who have big boobs ,dress exposed , act alluring, arouse sexual impulse( maybe) and so on. It pronounces just like Japanese word "ファンサービス".
2:粉 fěn 丝 sī 的 de 回 huí 馈 kuì But I prefer 粉 fěn 丝 sī 福fú 利 lì
It's a way that Idols(singers, movie stars , etc) appreciate their fans. such as shaking hand with fans, hug fans blblblbl. Taylor Swift is good at it I think.
Umm....I hope you can catch the point. If there are some faults in my words and expression, please let me know. Thank you soooo much.