Set in the immediate aftermath of the zombie apocalypse, Left 4 Dead's survival co-op mode lets up to four players blast a path through the swarming zombie hordes and terrifying mutant monsters. Guide your survivors across the rooftops of an abandoned metropolis, through rural ghost towns and pitch-black forests in your quest to escape a devastated Ground Zero crawling with infected enemies.
Its what it is a Homer Simpson Boomer, some of the famous catch phrases like d'oh! *scream* and much more. (Update) Added new vomit noise although there were no good homer burps and they were not long enough so its a someone else burp so sorry bout that
Drag Boomer folder to c > Program Files > Steam > steamapps > Common > Left 4 Dead > Left 4 Dead(again) > sound > player and drag the boomer file in there. Hope someone to make a video of it to broadcast it! I'm trying to get fraps soon