What you call a young grandma.
If you walk into a school with your grandma and everyone thinks it's your mom. Thats a big mom. If people think your grandma is your mom thats a big mom. The biggest mom of them all.
by Mike Mike February 09, 2014
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Only for use when "ur mom gay" doesn't hit them hard enough. These worlds will instantly devastate any hopes and dreams they had, fire them from their job, and make all of their family instantly die.
Jeff "U are U G L Y"
You " Ur mom big gay"
*All Jeff's organs instantly rupture*
by Johava Ascendor February 14, 2018
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an absolutley devistating comback destroying anyone/anything in its path
john: hey billy wanna play fortnite
billy: UR MOM BIG GAY
john: dies from every type of cancer at once
by ur mommy gay nut April 20, 2018
Get a ur mom big gay mug for your bunkmate José.
Basically destroys anybody. In some situations it has the power of getting on the same power level level as no u
To boost it's power by 2x , you must say "honk honk" after it.
Jimmy: Wanna play Minecraft ?
Timmy: No lol faggot
Jimmy: Ur mom big horny
Timmy: No u
Jimmy: Honk Honk

*Nuclear explosion destroying 99% of human race takes place*
by h0t man boy April 21, 2019
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Austin: Ur mom gay lol.
Justin: Hey Austin, Ur mom Bigg Gay.
Austin: No U
Justin: Ur mom big gay 3x
Austin: What?
Justin: Ur mom gayzilla
*Austin shoots up the school and dies*
by HackerMan2003 April 05, 2018
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verry offensive sentrnce that can destroy a mans life.
person1: ur mom big gaye
person2: :(
by leaisgay May 15, 2018
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