The main character that you play in the Doom coputer games. The most l33t badass marine ever!
Man, did you see Doomguy blow master chief's gay ass with a rocket launcher?!?!?
doomguy synonymous negative nancy, party pooper
person 1 "im really pumped about all the new stuff we're getting"
person 2 "whatever its not gonna make any difference i still hate everything about this"
person 1 *with the your any idiot look on his face*" don't be such a doomguy"