Ilos Share definition Flag Something that is utter bullshit. Obvious lies and exaggerations are considered ilos. Dude 1: "I lost 25 pounds this month and all I did was jerk off!" Dude 2: "Man that's a shit ton of ilos." Ilos by NoYouMan May 9, 2017 0 0 Get merch Get the Ilos mug. Buy Now — $32.95 See more merch