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Betting something to be so true that you would put your mom on the line to prove.
On moms, I saw her cheating with that guy from central.

On moms, though?
by YingYangWaves November 03, 2016
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May 14 Word of the Day
Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy
Person A: Man, that nutcase Martin Bryant guy shot 35 people in Tasmania!

Person B: No, he wasn't a nutcase, that was just a psyop so the government could have an excuse to ban guns.
by Mystikan April 11, 2006
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2
A phrase used to fact check someone or to state something that you are 100% positive without a doubt to be true.

When one puts something on moms they are typically backing a statement by saying that if they are lying then they are disrespecting everything their mother has done for them. Therefore if you lie on moms your are scum of the earth and should not be associated with.
Me: Bro remember that hot chick from high school with the yoga pants?

Homie: yeah?

Me: we smashed the other day. She hit me up on snap outta nowhere.

Homie: cap

me: nah ong

Homie: on moms?

Me: yeah... I was cappin.
by Chilerd February 28, 2021
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3
Something that 12-17 year olds say when they are trying to make something sound real
Yo bro on moms that bitch sucked my dick
by Shmuel Calories June 18, 2018
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