the REAL short form of Good looking out. Which referres to a friend keeping watch over another friend, no matter what context or situation it may be used in.
Example 1:
Matt: So Katy I'll call you tonight?
Sam: (whispers to Matt)dude your girlfriend is comming hurry up.
The true way to say the guy is good looking in a non homo way. Also like looking good. This is the true and only wqy to not be gay when saying a guy looks good if you are a guy
Guy1: yo he's hot!
guy2: your a homo.
Guy 1: how do you say it not gay then?
Guy 2: he's a good looking cat.
Guy1: makes sense