An euphemism for Having Sex, because they share the same abbreviation: HS
Let's have "High Sierra" tonight, baby
by Sir. B September 11, 2020
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An euphemism for Having Sex, because the acronym is same
How much you do a "High Sierra"?
by Sir. B September 11, 2020
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Sierra’s are cool, and sometimes chill. They can be wild, and crazy. At dances or parties they are the most fun and the wildest dancers. They aren’t afraid to show who they are. They can be psycho sometimes, but at school and work they can be chill. If they are with their friends though be prepared to amazed by a psychopath. Lol They are most the time always naturally beautiful! You are lucky to have a Sierra in your life If you do! They are also real good friends and are always there for you, but prepared they are pretty sassy.
Random guy or girl at party: Who is that hot girl over there?

Other guy: I don’t know she is hot though. She is probably a Sierra

Other dude or girl
by My_Name_is_No488 May 20, 2021
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that teacher was such a bitch

shes a sierra.
by young crusty February 18, 2023
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Kinda short with brown hair and blue eyes which she thinks are just so special. Very annoying and will sing everywhere even if it doesn't sound good. Always starts drama and assumes everything is about her. Will remind the teacher that there's homework.
A: There's a Sierra coming over here.
B: Oh hurry up let's go.
by yellowducky October 28, 2020
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She's just a gal with a bloody-mary in hand. A bad-b with a bad-b attitude. Flustered easily. Defensive.
Boy 1: Can I get your number sweet thang
Boy 2: Yeah hunty- come over here
Sierra: No- uhhhh idk uhhh... hahaha... no
by poolpee-er132 April 6, 2023
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Liar, backstabbing, fake, manipulative master of BS that will throw there closet friend even there own family under the bus to get what they want. This person only has loyalty to themselves they are pretentious and self absorbed and lastly materialistic and egotistical.
I knew she was a Sierra when she took my boyfriend away from me because it's always about her.
by Ms. Harley Quin November 7, 2020
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