Your mom is the first defense is sixth grade boy humor, it’s constantly overused and makes you question the sanity of society as a whole. Your mom is also commonly used by lesbians with no humor and are trying to be funny, yeah I’m talking to you.
Example 1
6th grade boy 1: guess who I did last night
6th grade boy 2: who?
6th grade boy 1: YOUR MOM!!! OOOOOOH
Random kid passing by: wtf?!
Example 2
Random person: hey wanna hang tonight
Lesbian with no humor: sorry can’t tonight I’m busy doing…
Random person: busy doing what?
Lesbian with no humor: YOUR MOM!! OOOOOH!!!
Random kid passing by: How do I keep hearing these conversations?!
6th grade boy 1: guess who I did last night
6th grade boy 2: who?
6th grade boy 1: YOUR MOM!!! OOOOOOH
Random kid passing by: wtf?!
Example 2
Random person: hey wanna hang tonight
Lesbian with no humor: sorry can’t tonight I’m busy doing…
Random person: busy doing what?
Lesbian with no humor: YOUR MOM!! OOOOOH!!!
Random kid passing by: How do I keep hearing these conversations?!
by Littlegaykid February 18, 2022
Get the your mommug. by Katdragon March 19, 2022
Get the your mommug. The word for answering some questions.
But make sure not to say "WHAT are we doing today?" Because someone can answer " I said WHAT not WHO."
But make sure not to say "WHAT are we doing today?" Because someone can answer " I said WHAT not WHO."
by AssBurgers789 April 7, 2015
Get the Your Mommug. 
by _salowais September 6, 2022
Get the your mommug.