your moms gay Share definition Flag Sarcastic statement made by high school kids. Mixture of "your mom" "you're gay". Very rarely used seriously Tim: Can I borrow a pencil Joe: no, your moms gay Joe: *gives Tim a pencil* your moms gay by YaBoiJayCutlet January 7, 2016 0 0 Get merch Get the your moms gay mug. Buy Now — $32.95 See more merch