GLFF 

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."

GLFF by aidan64 October 27, 2009

glff 

good looking from far away

damn that chick on the bike was glff but up close she was fugly

glff by Dr. Killer Rabbit August 25, 2009

glffa 

Acronym for;

Good Looking From Far Away

Woahh she's fit.

*get close to girl*

Haha no mate she's just GLFFA

glffa by Trigger6 June 2, 2008