a collective group of people who join together for a greater cause.
the kids saw the pigs comming down the street, and all formed a critical mass and pushed the dumpster into the middle of the street and set in on fire.
by sam March 14, 2005
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What you yell at the climax of phone sex, if you are a fat sweaty nerd who lives with his parents and has no job at 20.
" uh uh uh.... critical mass... did i tell you my name was paul? "
*thankyou for calling kids helpline*
by grouter55 July 13, 2003
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Calvin's Mom is fat. She's so fat she has her own zip code.
I looked at the gargantuan lump of Calvin's mom in front of me; realizing that it would soon reach criticalmass, I ran away.
by Jonathan Conaty March 30, 2005
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When you are physically incapable of holding in a shit any longer.
I was at Home Depot with my girlfriend when suddenly I reached Critical Mass and had to run to the closest toilet to avoid sitting in my pants. Thank god we were in the plumbing isle.
by Ken "the loose canon" Loveman November 25, 2012
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A supposedly "deciding" Sunday service that someone of Catholic faith feels that he must attend prior to death if he still wants to avoid going to Hell.
This whole "deathbed confession and reformation" bu**s**t just sounds like another example of "critical Mass" to me --- it sounds waaaaayyyy too "easy" or "convenient" a way to be evil and selfish all your life. How can things truly be "made whole again" if you've seriously mistreated others for many years, and then suddenly atone for it "at the last minute"?? There are still all of those other people whom you've hurt (and have had their lives ruined by your meanness) to think about --- why don't you make said "born-aginner" beliefs truly count by arranging for the restorations of those other people's losses, rather than just symbolically "making your peace with God" but still ignoring all the damage you've done over the past decades?!
by QuacksO March 18, 2019
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The term medical professionals use to say "That ass is just too PHAT."
That women's ender regions has reached critical mass.
by Romoboi May 30, 2019
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Another far left wing terminology to support diversity. Another name for a racial quota.

"Critical mass" means that it is important for a sufficient number of "minorities" to be enrolled on campus so that they not feel "isolated." When the number of blacks dropped at UC Berkeley following the passage of 209, the opponents of 209 argued that the drop in black enrollment created a "hostile environment" for those enrolled. "Critical mass" theory also means that the remainder of the student body needs to see enough black faces so that they can benefit from "diversity."
Don't listen to that hippie fart sniffer, critical mass is just another term for a racial quota.
by Ballsackinthatface April 3, 2013
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