A phrase used to easily get authority and back up a statement in which you have no knowledge or
understanding of. Can also be used as an
escape route to quickly end or get out of a
conversation(see example 2).
George: Don't place it near open flame, jackass.
Mike: Why?
George: Its gonna explode or something...Idk, I saw it on youtube.
Mike: Alright.
(to end/get out of a
conversation)
Jim: It's not
going to work, you have to fix the wires first.
Bob: Naa man, it's fine. I've done this before.
Jim:
Are you sure?
Bob: Idk, I saw this on youtube though.
Jim: Oh okay.