i know you lyin

Its like I cant believe that. sort of like "stop lying!" or "get out of here!"

Pennny: hey girl, did you hear Kiesha was pregnant
Dee: Bitch! I know you lyin!
Penny: naw girl she showed me a picture of her ultrasound.

i know you lyin by MJ_lit February 14, 2017

I know you lying

Something somebody said something you don't want to hear or you know someone lying

Your my girlfriend I know you lying

I know you lying by Adsdhwn July 14, 2019

I know you fucking lying

(Ikyfl) Its a saying that kinda means that what you just said is so crazy that it might as well be a lie

Him-Lol that was the girl that broke up with me
Friend- I know you fucking lying

I know you fucking lying by ifyou November 20, 2021