What does om telolet om mean? it's basically an indonesian 2016 meme means like "Sir, honk the horn sir!". Om means uncle and telolet refers to how indonesian think the sound of indonesian buses' horn like. So it's like requesting random bus to honk their horn on the road. So why do we see it everywhere? are those guys commenting "om telolet om" requesting a bus in an instagram post to honk its horn? no, it looks like those netizen spread it everywhere just to make it more viral. So many indonesian like it when their "things" go viral in the world.
TL;DR: If you found someone says "om telolet om" anywhere in the internet, it means nothing, it's just a random nonsense comment.