Noun, used to describe something that is never used and simply takes up space, since the stereotypical Chineseperson drives without using turn signals.
worker 1: "Jordan is so useless!"
worker 2: "I know man, talk about a chinese turn signal!"
When rating a girl/boy on the international hotness scale of 1-10, a G6 or "gentleman's six" is a way of categorising someone who falls below the "genuine six" mark.
In the new revised hotness scale for 2018 traditional "1-10" is replaced with
G6 (gentlemans 6)
G6 (genuine 6)
7, 8, 9, unicorn
Jeff: "did you get any action after I left"
Bill: "yeh bagged a hotty"
Jeff: "lets see a pic"
Bill: ### pulls up whatsapp pic ###
Jeff: "G6 bro"