a word spit out at any given time or place when someone (most likely a complete idiot) has absolutely no idea what to say
Hilary: Have you beeen havin a affair?!
Bill: uhh...
Hilary: Tell me! Who have you been doin stuff with lately?
by michael jackson November 21, 2003
comeback used by witless morons who cant think of anything to say i.e. my friend melissa
me:nice teeth melissa
melissa: ur mom has nice teeth
by melissa January 29, 2004
A completely stupid thing to say when someone is pissed off or has just been burned, but can't think of anything better.
Dude, you suck at this game!

Yeah well... your mom!
by TheBurninator December 10, 2003
a phrase one uses as an insult to some one.
"you are a bitch"
"your mom!"
by biotch#452 June 05, 2003
You: Your Mom!
Me: Dude, really??
by kittlyabz January 01, 2012
The greatest comeback in the history of mankind.
Guy 1: You suck at cod. Go kill yourself

Guy 2: Your mom

Guy 1: T_T
by Marcus Pwns Nubs April 25, 2010
Applied to the concept that a mother and her care pretty much defines a person, by making a feeble insult attempting to slander the mother and therefore indirectly slander the person one is talking to.
Guy 1: This movie sucks
Guy 2: Your mom sucks
by Tulip March 03, 2005
a burn that is really funny
Friend:What did you have for supper yesterday
You:Your mom
by Mark Hennessey February 10, 2005

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.