someone who says idk to everything or is otherwise very indecisive in general.
"hey bro you wanna go to maccas?" " oh idk man" "your such an idk warrior bro"
Someone who farms aura points all the time by pretending to know things or be good at things retroactively after they happened.
"Hey man I knew he was gonna do that the whole time" hey come on man stop being a aura farmer