a phrase: means there is much love and chemistry between the two lovers.
guy: "i love you, do you love me?"
girl: "well i love you like 10th grade science class..."
guy: "huh, why 10th grade science class?"
girl: "there's so much chemistry."
guy "o-got it.well, I love you like 11th grade science class."
girl :"physics?"
guy: "ya, there's so much potential."
(guy and girl make out like 9th grade science class, biology-life or creating it)
by Kevin N' Kyle and Company June 04, 2005
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A phrase to show one's affection to another. 10th grade science class where i come from is CHEMISTRY. If the person that you tell this phrase to asks WHY? Just say "cause there's sooo much chemistry."
Friend 1: "I love you like 10th grade science class..."

Friend 2: "Why?"

Friend 1: "Cause there's sooo much chemistry!"
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Literally the best group of people I have ever met. I miss you guys so much and I wish I could’ve stayed. I know none of you will ever read this but if you do, then message me on Instagram or something. I love you guys ❤️
Machesney Elementary 6th Grade Academic Class 2017-2018 rocked
-Dominick Bilich
by Djb236 July 11, 2019
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a half-grade

Between two grades.
You're probably in a half-grade.
by RedSaber9 June 14, 2022
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Ria Vaid For Grade 10 Rep

Ria Vaid is the best and the only choice for grade 10 rep. Ria Vaid will be a positive and impactful addition to VSS student council. Vote Ria Vaid if you want to have an exciting year! She will be an excellent representative and you will definitely not regret it.
Michelle: OMG!! Guess what? Ria Vaid is running for grade 10 rep!

Isabella: I'm going to Vote Ria Vaid for grade 10 rep because she's obviously the best candidate!

Charlotte: #riavaid4grade10rep
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4th grade humor

Humor that does not exist, and if they are trying to joke, then they are sounding like hey are talking normally.
4th grader: *tries to make a joke*

Intelligent person: That is some dumb 4th grade humor!
by diet dying light October 18, 2023
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Grade 9 Gyatt

The grade 9 gyatt is an urban legend found in rare locations. If you locate this mythical phenomenon please contact your local doctor as you will be controlled by the temptation of the grade 9 gyatt. Proceed with caution as one sighting can cause temporary blindness, and drooling.
by Gyattsearcher September 18, 2023
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