Go commit self deletus is one of the hundreds of roblox
memes published to the internet. Its also used as a (poor) comeback to some insults including ur mom gay lol (the ultimate one shot kill insult(the only comaback for that is no u)). commit self deletus means go kill yourself (as you can probably tell). some other similar
memes include, go commit toasterbath, go commit
die, go commit death-pacito, go commit neck-
crack-bone, go commit waterbreathe, go commit knife-heart, go commit no alive, go commit tower jump, go commit uninstall life, and go commit scooter-ankle.