It's when a kid (9 to 14 years old) gets mad, they will use it as a last resort.
You can say no u as a comeback or you can say ur dad lesbian.
You can say no u as a comeback or you can say ur dad lesbian.
by UrbanKiwi May 16, 2018

by T-Positive August 27, 2018

you don't know how to comback with a sick roast? use this career destroying saying, it is also the worst thing you could say at a funeral or a family dinner.
person 1: my mom just died, i'm so sad!
person 2: ur mom gay
"person one dies"
sister: can you pass me the ketchup?
me: no
sister: fuck you
me: your mom gay
person 2: ur mom gay
"person one dies"
sister: can you pass me the ketchup?
me: no
sister: fuck you
me: your mom gay
by ur parents gay November 10, 2021

by mmmm yes April 21, 2018

It is the most powerful and devastating roast. By saying this, the person being roasted will cry and get crippling depression.
by The Real NerdMysteria May 19, 2018

an insult to say to someone. another way of saying this is,"your mom BIG gay"
if someone says ur mom gay to you say, "no u"
if someone says ur mom gay to you say, "no u"
by thedictionarian101 May 11, 2018

the most fucking retarded insult ever, example
james: you are crap at this game
bobby: better than you
james: ur mom gay
james: you are crap at this game
bobby: better than you
james: ur mom gay
by gay dictionarys January 23, 2019
