glhfgg 

Short for Good Luck, Have Fun, Good Game.

Usually said at the beginning of a game. Similar to glhf but more courteous.

Player 1: glhfgg
Player 2: thx u2

glhfgg by duckloadra April 20, 2011

glhfgl 

initialism for "good luck, have fun, get laid"

Alex: "g2g, date with Carol"
Bob: "glhfgl"

glhfgl by travisdoge December 19, 2013