What is G-word?
1.
you say the g-word instead of gay, because for some reason, gay guys don't like it when you use gay and they'll say gay slurs to you which you probably won't understand because you're straight.
Straight Frank: Man, Justin Timberlake is such a gay.
Gay Joey: OMG, I can't believe you just said the g-word you silly girl, now you must be punished, ahah!
See
2.
g-word stands for
I looked at my friend bob and asked if he'd like to eat some 'g-word', I didn't say garlic because I didn't want to be attacked by garlicists.
See