b4nnyのようなどんな単語でも探してください。
 
1.
Either "Good Luck, Fine Friend" or "Good Luck, Fuck-Face" depending on context and the person being spoken to.

Often used in online games.
"Dude, I am totally going to go talk to that hot chick over there."
"GLFF."
aidan64によって 2009年10月26日(月)
 
2.
good looking from far away
damn that chick on the bike was glff but up close she was fugly
Dr. Killer Rabbitによって 2009年08月25日(火)