1)read by each letter, not as one word
2)in an online game:
-pre fix that means: Asshole With Guns By Nature
3)person who is superior with guns and the handling of fatal weapons, both in real life and video games
2)xbox live gamertag: AWGBNpwnage
3)boy 1:why is he so good with that fucking M16
boy 2: dude he's a fucking AWGBN!!