A sarcastic term used to ridicule those who don't know shit about cars. Similarly 710 cap and Muffler Bearings are used in this way.
"You need some blinker fluid for that?" Asked Tom.
Darryl, who knew nothing about cars and was knee deep in his truck trying to fix a broken radiator, replied "I don't know, I might."
A specialized transparent liquid used to lubricate the moving parts of a turn signal. Despite what other answers might tell you, it is absolutely not a joke.
"Man, these are the worst flashers I've ever seen. When was the last time you changed your blinker fluid? Oh, you didn't know that was a thing, well the repair's going to cost you pretty big." - My technician
If you believe in this than your a idiot
Haha you believe in blinker fluid
Look man, give it to me straight, none of that blinker fluid bullshit........Went to the pot shop and told the bud tender, " none of that blinkerfluid bullshit."
Telling someone to poison themselves without the poison
“WTF dude drink blinker fluid you retard”