Rancho Santa Margarita 

home to the most narrow minded people in the planet (probably due to the milf community getting extreme botox injections) their kids follow them. the girls are slutty and stupid to get attention and the guys are dochebags who think they're hot shit. it's a big rich community neighbored to Coto de Caza where all the teenagers get BMW's and Mercedes before they even have their permit. Also home to Santa Margarita Catholic High School (most controlling "christian" school there is) and tesoro where all the chillers chill. It's quite a bubble.

Girl: OMG! My mommy is so mean! She only got me a BMW when I wanted a Bentley! Bitch be trippin'

Boy: I'm so ghetto. Fuck bitches, get money. (friends laugh) lets go be chillers.

^Typical of a conversation in Rancho Santa Margarita

Rancho Santa Margarita by RSMrebel March 20, 2011

Rancho Santa Margarita 

A planned community which does not deserve the title "city". Legally it may be a city, but most recognize it as a suburb of Mission Viejo. Also known as "RSM" by its local starbucks-sipping tweenie bopper population.

"You're from Rancho Santa Margarita? Gee I bet that's not a planned community."

-Will Ferrell while taking a call on KROQ, a Southern California radio station

Rancho Santa Margarita by LaChad January 2, 2008

Rancho Santa Margarita 

1. Located in Orange County, CA
2. City of a way to much posers (i should know, im friends with a few)
3. Home to child of the devil Alicia (no last name will be givin, let is suffice to say shes evil)
4. Contains the vast majority of Trabuco Hills High School students
5. Popular hangout on Friday is the local movie theater
6. Next door neighbor to Coto De Caza (not sure if the dictionary has something on them, they rich and stuck up, thats all you need to know)

Yo Dude, I heard The Devils Spawn Was Chillin In Rancho Santa Margarita

Rancho Santa Margarita by Westside Mercy November 22, 2007

Dirty Rancho Santa Margarita 

Orange County's drunken version of the Dirty Sanchez after dining at El Ranchitos.

Jeff and LeAnna were at El Ranchitos drinking margaritas. Afterwards they went back to Jeff's place and he gave that dirty bitch a Dirty Rancho Santa Margarita.

Dirty Rancho Santa Margarita by Crystal, LeAnna and Jeff November 30, 2006