look up any word, like plopping:
 
1.
drugs
"Are you on Yifan?"
"Not enough. I'm in withdrawal."
by oinkmoo October 15, 2009
 
2.
A n00b at DOTA
"Wow you really suck at DOTA, you must be a yifan"
by browniga February 26, 2010
 
3.
A n00b at Dawn Of War.
Yifan and player X start playing. 5 seconds later, Yifan loses. >_<
by Zander January 26, 2005